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Annotation of cvsweb/cvsweb.cgi, Revision 3.8

3.1       knu         1: #!/usr/bin/perl -ws
1.1       jfieber     2: #
3.1       knu         3: # cvsweb - a CGI interface to CVS trees.
1.1       jfieber     4: #
3.1       knu         5: # Written in their spare time by
                      6: #             Bill Fenner      <fenner@FreeBSD.org>   (original work)
                      7: # extended by Henner Zeller    <zeller@think.de>,
                      8: #             Henrik Nordstrom <hno@hem.passagen.se>
                      9: #             Ken Coar         <coar@Apache.Org>
                     10: #             Dick Balaska     <dick@buckosoft.com>
                     11: #             Akinori MUSHA    <knu@FreeBSD.org>
                     12: #
                     13: # Based on:
                     14: # * Bill Fenners cvsweb.cgi revision 1.28 available from:
3.5       knu        15: #   http://www.FreeBSD.org/cgi/cvsweb.cgi/www/en/cgi/cvsweb.cgi
1.1       jfieber    16: #
1.21      wosch      17: # Copyright (c) 1996-1998 Bill Fenner
3.1       knu        18: #           (c) 1998-1999 Henner Zeller
                     19: #          (c) 1999      Henrik Nordstrom
                     20: #          (c) 2000      Akinori MUSHA
1.21      wosch      21: # All rights reserved.
                     22: #
                     23: # Redistribution and use in source and binary forms, with or without
                     24: # modification, are permitted provided that the following conditions
                     25: # are met:
                     26: # 1. Redistributions of source code must retain the above copyright
                     27: #    notice, this list of conditions and the following disclaimer.
                     28: # 2. Redistributions in binary form must reproduce the above copyright
                     29: #    notice, this list of conditions and the following disclaimer in the
                     30: #    documentation and/or other materials provided with the distribution.
                     31: #
                     32: # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     33: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     34: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     35: # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     36: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     37: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     38: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     39: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     40: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     41: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     42: # SUCH DAMAGE.
                     43: #
3.8     ! knu        44: # $zId: cvsweb.cgi,v 1.93 2000/07/27 17:42:28 hzeller Exp $
        !            45: # $Id: cvsweb.cgi,v 3.7 2000/07/29 09:24:14 knu Exp $
1.21      wosch      46: #
3.1       knu        47: ###
                     48:
                     49: use strict;
1.21      wosch      50:
3.1       knu        51: use vars qw (
                     52:     $config $allow_version_select $verbose
                     53:     %CVSROOT %CVSROOTdescr %MIRRORS %DEFAULTVALUE %ICONS %MTYPES
                     54:     %alltags @tabcolors %fileinfo %tags @branchnames %nameprinted
                     55:     %symrev %revsym @allrevisions %date %author @revdisplayorder
                     56:     @revisions %state %difflines %log %branchpoint @revorder $prcgi
                     57:     @prcategories $prcategories
                     58:     $checkoutMagic $doCheckout $scriptname $scriptwhere
3.3       knu        59:     $where $pathinfo $Browser $nofilelinks $maycompress @stickyvars
                     60:     %funcline_regexp $is_mod_perl
3.5       knu        61:     $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
3.1       knu        62:     %input $query $barequery $sortby $bydate $byrev $byauthor
                     63:     $bylog $byfile $hr_default $logsort $cvstree $cvsroot
                     64:     $mimetype $defaultTextPlain $defaultViewable $allow_compress
                     65:     $GZIPBIN $backicon $diricon $fileicon $fullname $newname
                     66:     $cvstreedefault $body_tag $logo $defaulttitle $address
                     67:     $backcolor $long_intro $short_instruction $shortLogLen
                     68:     $show_author $dirtable $tablepadding $columnHeaderColorDefault
3.3       knu        69:     $columnHeaderColorSorted $hr_breakable $showfunc $hr_ignwhite
3.1       knu        70:     $hr_ignkeysubst $diffcolorHeading $diffcolorEmpty $diffcolorRemove
                     71:     $diffcolorChange $diffcolorAdd $diffcolorDarkChange $difffontface
                     72:     $difffontsize $inputTextSize $mime_types $allow_annotate
                     73:     $allow_markup $use_java_script $open_extern_window
                     74:     $extern_window_width $extern_window_height $edit_option_form
                     75:     $checkout_magic $show_subdir_lastmod $show_log_in_markup $v
                     76:     $navigationHeaderColor $tableBorderColor $markupLogColor
                     77:     $tabstop $state $annTable $sel $curbranch @HideModules
                     78:     $module $use_descriptions %descriptions @mytz $dwhere $moddate
                     79:     $use_moddate
                     80: );
                     81:
                     82: ##### Start of Configuration Area ########
                     83: # == EDIT this ==
                     84: # User configuration is stored in
3.3       knu        85: $config = defined($ENV{CVSWEB_CONFIG}) ? $ENV{CVSWEB_CONFIG} : '/usr/local/etc/cvsweb.conf';
3.1       knu        86:
                     87: # == Configuration defaults ==
                     88: # Defaults for configuration variables that shouldn't need
                     89: # to be configured..
                     90: $allow_version_select = 1;
                     91:
                     92: ##### End of Configuration Area   ########
                     93:
                     94: ######## Configuration variables #########
                     95: # These are defined to allow checking with perl -cw
                     96: %CVSROOT = %MIRRORS = %DEFAULTVALUE = %ICONS = %MTYPES =
                     97: %tags = %alltags = @tabcolors = ();
                     98: $cvstreedefault = $body_tag = $logo = $defaulttitle = $address =
                     99: $backcolor = $long_intro = $short_instruction = $shortLogLen =
                    100: $show_author = $dirtable = $tablepadding = $columnHeaderColorDefault =
3.3       knu       101: $columnHeaderColorSorted = $hr_breakable = $showfunc = $hr_ignwhite =
3.1       knu       102: $hr_ignkeysubst = $diffcolorHeading = $diffcolorEmpty = $diffcolorRemove =
                    103: $diffcolorChange = $diffcolorAdd = $diffcolorDarkChange = $difffontface =
                    104: $difffontsize = $inputTextSize = $mime_types = $allow_annotate =
                    105: $allow_markup = $use_java_script = $open_extern_window =
                    106: $extern_window_width = $extern_window_height = $edit_option_form =
                    107: $checkout_magic = $show_subdir_lastmod = $show_log_in_markup = $v =
                    108: $navigationHeaderColor = $tableBorderColor = $markupLogColor =
                    109: $tabstop = $use_moddate = $moddate = undef;
1.21      wosch     110:
3.1       knu       111: ##### End of configuration variables #####
                    112:
                    113: use Time::Local;
                    114: use IPC::Open2;
1.1       jfieber   115:
                    116: $verbose = $v;
3.1       knu       117: $checkoutMagic = "~checkout~";
3.3       knu       118: $pathinfo = defined($ENV{PATH_INFO}) ? $ENV{PATH_INFO} : '';
                    119: $where = $pathinfo;
3.1       knu       120: $doCheckout = ($where =~ /^\/$checkoutMagic/);
                    121: $where =~ s|^/($checkoutMagic)?||;
                    122: $where =~ s|/+$||;
3.3       knu       123: $scriptname = defined($ENV{SCRIPT_NAME}) ? $ENV{SCRIPT_NAME} : '';
                    124: $scriptname =~ s|^/?|/|;
3.1       knu       125: $scriptname =~ s|/+$||;
3.3       knu       126: $scriptwhere = $scriptname;
3.1       knu       127: if ($where) {
3.3       knu       128:     $scriptwhere .= '/' . urlencode($where);
3.1       knu       129: }
3.3       knu       130:
                    131: $is_mod_perl = defined($ENV{MOD_PERL});
3.1       knu       132:
                    133: # in lynx, it it very annoying to have two links
                    134: # per file, so disable the link at the icon
                    135: # in this case:
3.3       knu       136: $Browser = $ENV{HTTP_USER_AGENT} || '';
3.5       knu       137: $is_lynx = ($Browser =~ m`^Lynx/`i);
                    138: $is_w3m = ($Browser =~ m`^w3m/`i);
3.3       knu       139: $is_msie = ($Browser =~ m`MSIE`);
3.5       knu       140: $is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
3.3       knu       141:
3.5       knu       142: $is_textbased = ($is_lynx || $is_w3m);
                    143:
                    144: $nofilelinks = $is_textbased;
3.1       knu       145:
                    146: # newer browsers accept gzip content encoding
                    147: # and state this in a header
                    148: # (netscape did always but didn't state it)
                    149: # It has been reported that these
                    150: #  braindamaged MS-Internet Exploders claim that they
                    151: # accept gzip .. but don't in fact and
                    152: # display garbage then :-/
                    153: # Turn off gzip if running under mod_perl. piping does
                    154: # not work as expected inside the server. One can probably
                    155: # achieve the same result using Apache::GZIPFilter.
3.3       knu       156: $maycompress =(($ENV{HTTP_ACCEPT_ENCODING} =~ m`gzip`
                    157:                || $is_mozilla3)
                    158:               && !$is_msie
                    159:               && !$is_mod_perl);
3.1       knu       160:
                    161: # put here the variables we need in order
                    162: # to hold our state - they will be added (with
                    163: # their current value) to any link/query string
                    164: # you construct
3.6       knu       165: @stickyvars = qw(cvsroot hideattic sortby logsort f only_with_tag);
1.1       jfieber   166:
3.1       knu       167: if (-f $config) {
3.3       knu       168:     do $config;
3.1       knu       169: }
                    170: else {
                    171:    &fatal("500 Internal Error",
                    172:          'Configuration not found.  Set the variable <code>$config</code> '
                    173:           . 'in cvsweb.cgi, or the environment variable '
                    174:           . '<code>CVSWEB_CONFIG</code>, to your <b>cvsweb.conf</b> '
                    175:           . 'configuration file first.');
                    176: }
                    177:
                    178: undef %input;
3.3       knu       179: $query = $ENV{QUERY_STRING};
                    180:
                    181: if ($query ne '') {
1.9       fenner    182:     foreach (split(/&/, $query)) {
1.7       fenner    183:        s/%(..)/sprintf("%c", hex($1))/ge;      # unquote %-quoted
                    184:        if (/(\S+)=(.*)/) {
3.1       knu       185:            $input{$1} = $2 if ($2 ne "");
                    186:        }
                    187:        else {
1.7       fenner    188:            $input{$_}++;
                    189:        }
                    190:     }
                    191: }
1.10      wosch     192:
3.1       knu       193: # For backwards compability, set only_with_tag to only_on_branch if set.
                    194: $input{only_with_tag} = $input{only_on_branch}
                    195:     if (defined($input{only_on_branch}));
1.10      wosch     196:
3.1       knu       197: $DEFAULTVALUE{'cvsroot'} = $cvstreedefault;
1.10      wosch     198:
3.1       knu       199: foreach (keys %DEFAULTVALUE)
                    200: {
                    201:     # replace not given parameters with the default parameters
                    202:     if (!defined($input{$_}) || $input{$_} eq "") {
                    203:        # Empty Checkboxes in forms return -- nothing. So we define a helper
                    204:        # variable in these forms (copt) which indicates that we just set
                    205:        # parameters with a checkbox
                    206:        if (!defined($input{"copt"})) {
                    207:            # 'copt' isn't defined --> empty input is not the result
                    208:            # of empty input checkbox --> set default
                    209:            $input{$_} = $DEFAULTVALUE{$_} if (defined($DEFAULTVALUE{$_}));
                    210:        }
                    211:        else {
                    212:            # 'copt' is defined -> the result of empty input checkbox
                    213:            # -> set to zero (disable) if default is a boolean (0|1).
                    214:            $input{$_} = 0
                    215:                if (defined($DEFAULTVALUE{$_})
                    216:                    && ($DEFAULTVALUE{$_} eq "0" || $DEFAULTVALUE{$_} eq "1"));
                    217:        }
1.10      wosch     218:     }
                    219: }
3.1       knu       220:
                    221: $barequery = "";
                    222: foreach (@stickyvars) {
                    223:     # construct a query string with the sticky non default parameters set
3.4       knu       224:     if (defined($input{$_}) && $input{$_} ne '' &&
                    225:        !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_})) {
                    226:         if ($barequery) {
3.1       knu       227:            $barequery = $barequery . "&amp;";
                    228:        }
                    229:        my $thisval = urlencode($_) . "=" . urlencode($input{$_});
                    230:        $barequery .= $thisval;
                    231:     }
                    232: }
                    233: # is there any query ?
                    234: if ($barequery) {
                    235:     $query = "?$barequery";
                    236:     $barequery = "&amp;" . $barequery;
                    237: }
                    238: else {
                    239:     $query = "";
                    240: }
                    241:
                    242: # get actual parameters
                    243: $sortby = $input{"sortby"};
                    244: $bydate = 0;
                    245: $byrev = 0;
                    246: $byauthor = 0;
                    247: $bylog = 0;
                    248: $byfile = 0;
                    249: if ($sortby eq "date") {
                    250:     $bydate = 1;
                    251: }
                    252: elsif ($sortby eq "rev") {
                    253:     $byrev = 1;
                    254: }
                    255: elsif ($sortby eq "author") {
                    256:     $byauthor = 1;
                    257: }
                    258: elsif ($sortby eq "log") {
                    259:     $bylog = 1;
                    260: }
                    261: else {
                    262:     $byfile = 1;
                    263: }
                    264:
                    265: $hr_default = $input{'f'} eq 'h';
                    266:
3.3       knu       267: $logsort = $input{'logsort'};
1.10      wosch     268:
1.12      fenner    269:
3.1       knu       270: ## Default CVS-Tree
                    271: if (!defined($CVSROOT{$cvstreedefault})) {
                    272:    &fatal("500 Internal Error",
                    273:          "<code>\$cvstreedefault</code> points to a repository "
                    274:          . "not defined in <code>%CVSROOT</code> "
                    275:          . "(edit your configuration file $config)");
                    276: }
                    277:
                    278: # alternate CVS-Tree, configured in cvsweb.conf
                    279: if ($input{'cvsroot'} && $CVSROOT{$input{'cvsroot'}}) {
                    280:     $cvstree = $input{'cvsroot'};
                    281: } else {
                    282:     $cvstree = $cvstreedefault;
1.10      wosch     283: }
                    284:
3.1       knu       285: $cvsroot = $CVSROOT{$cvstree};
1.10      wosch     286:
3.1       knu       287: # create icons out of description
                    288: foreach my $k (keys %ICONS) {
                    289:     no strict 'refs';
                    290:     my ($itxt,$ipath,$iwidth,$iheight) = @{$ICONS{$k}};
                    291:     if ($ipath) {
3.3       knu       292:        ${"${k}icon"} = "<IMG SRC=\"$ipath\" ALT=\"$itxt\" BORDER=\"0\" WIDTH=\"$iwidth\" HEIGHT=\"$iheight\">";
1.16      wosch     293:     }
3.1       knu       294:     else {
3.3       knu       295:        ${"${k}icon"} = $itxt;
1.24      wosch     296:     }
                    297: }
                    298:
3.1       knu       299: # Do some special configuration for cvstrees
                    300: do "$config-$cvstree" if (-f "$config-$cvstree");
                    301:
                    302: $prcategories = '(?:' . join('|', @prcategories) . ')';
1.24      wosch     303:
3.1       knu       304: $fullname = $cvsroot . '/' . $where;
                    305: $mimetype = &getMimeTypeFromSuffix ($fullname);
                    306: $defaultTextPlain = ($mimetype eq "text/plain");
                    307: $defaultViewable = $allow_markup && viewable($mimetype);
                    308:
                    309: # search for GZIP if compression allowed
                    310: # We've to find out if the GZIP-binary exists .. otherwise
                    311: # ge get an Internal Server Error if we try to pipe the
                    312: # output through the nonexistent gzip ..
                    313: # any more elegant ways to prevent this are welcome!
                    314: if ($allow_compress && $maycompress) {
                    315:     foreach (split(/:/, $ENV{PATH})) {
                    316:        if (-x "$_/gzip") {
                    317:            $GZIPBIN = "$_/gzip";
                    318:            last;
1.16      wosch     319:        }
                    320:     }
                    321: }
                    322:
3.1       knu       323: if (-d $fullname) {
                    324:     #
                    325:     # ensure, that directories always end with (exactly) one '/'
                    326:     # to allow relative URL's. If they're not, make a redirect.
                    327:     ##
                    328:     if (!($pathinfo =~ m|/$|) || ($pathinfo =~ m |/{2,}$|)) {
                    329:        redirect ($scriptwhere . '/' . $query);
                    330:     }
                    331:     else {
                    332:        $where .= '/';
                    333:        $scriptwhere .= '/';
                    334:     }
                    335: }
                    336:
                    337: if (!-d $cvsroot) {
                    338:     &fatal("500 Internal Error",'$CVSROOT not found!<P>The server on which the CVS tree lives is probably down.  Please try again in a few minutes.');
                    339: }
                    340:
                    341: #
                    342: # See if the module is in our forbidden list.
                    343: #
                    344: $where =~ m:([^/]*):;
                    345: $module = $1;
                    346: if ($module && &forbidden_module($module)) {
                    347:     &fatal("403 Forbidden", "Access to $where forbidden.");
                    348: }
                    349: ##############################
                    350: # View a directory
                    351: ###############################
                    352: elsif (-d $fullname) {
                    353:        my $dh = do {local(*DH);};
                    354:        opendir($dh, $fullname) || &fatal("404 Not Found","$where: $!");
                    355:        my @dir = readdir($dh);
                    356:        closedir($dh);
                    357:        my @subLevelFiles = findLastModifiedSubdirs(@dir)
                    358:            if ($show_subdir_lastmod);
                    359:        getDirLogs($cvsroot,$where,@subLevelFiles);
                    360:
                    361:        if ($where eq '/') {
3.3       knu       362:            html_header($defaulttitle);
3.2       knu       363:            $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
3.1       knu       364:            print $long_intro;
                    365:        }
                    366:        else {
3.3       knu       367:            html_header($where);
3.1       knu       368:            print $short_instruction;
                    369:        }
                    370:
                    371:        my $descriptions;
                    372:        if (($use_descriptions) && open (DESC, "<$cvsroot/CVSROOT/descriptions")) {
                    373:            while (<DESC>) {
                    374:                chomp;
                    375:                my ($dir,$description) = /(\S+)\s+(.*)/;
                    376:                $descriptions{$dir} = $description;
                    377:            }
                    378:        }
                    379:
                    380:        print "<P><a name=\"dirlist\"></a>\n";
                    381:        # give direct access to dirs
                    382:        if ($where eq '/') {
                    383:            chooseMirror();
                    384:            chooseCVSRoot();
                    385:        }
                    386:        else {
                    387:            print "<p>Current directory: <b>", &clickablePath($where,0), "</b>\n";
                    388:
                    389:            print "<P>Current tag: <B>", $input{only_with_tag}, "</b>\n" if
                    390:                $input{only_with_tag};
1.16      wosch     391:
1.1       jfieber   392:        }
3.1       knu       393:
                    394:
                    395:        print "<HR NOSHADE>\n";
1.1       jfieber   396:        # Using <MENU> in this manner violates the HTML2.0 spec but
                    397:        # provides the results that I want in most browsers.  Another
                    398:        # case of layout spooging up HTML.
3.1       knu       399:
                    400:        my $infocols = 0;
                    401:        if ($dirtable) {
                    402:            if (defined($tableBorderColor)) {
                    403:                # Can't this be done by defining the border for the inner table?
                    404:                print "<table border=0 cellpadding=0 width=\"100%\"><tr><td bgcolor=\"$tableBorderColor\">";
                    405:            }
                    406:            print "<table  width=\"100%\" border=0 cellspacing=1 cellpadding=$tablepadding>\n";
                    407:            $infocols++;
                    408:            print "<tr><th align=left bgcolor=\"" . (($byfile) ?
                    409:                                                   $columnHeaderColorSorted :
                    410:                                                   $columnHeaderColorDefault) . "\">";
                    411:            print "<a href=\"./" . &toggleQuery("sortby","file") .
                    412:                "#dirlist\">" if (!$byfile);
                    413:            print "File";
                    414:            print "</a>" if (!$byfile);
                    415:            print "</th>";
                    416:            # do not display the other column-headers, if we do not have any files
                    417:            # with revision information:
                    418:            if (scalar(%fileinfo)) {
                    419:                $infocols++;
                    420:                print "<th align=left bgcolor=\"" . (($byrev) ?
                    421:                                                   $columnHeaderColorSorted :
                    422:                                                   $columnHeaderColorDefault) . "\">";
                    423:                print "<a href=\"./" . &toggleQuery ("sortby","rev") .
                    424:                    "#dirlist\">" if (!$byrev);
                    425:                print "Rev.";
                    426:                print "</a>" if (!$byrev);
                    427:                print "</th>";
                    428:                $infocols++;
                    429:                print "<th align=left bgcolor=\"" . (($bydate) ?
                    430:                                                   $columnHeaderColorSorted :
                    431:                                                   $columnHeaderColorDefault) . "\">";
                    432:                print "<a href=\"./" . &toggleQuery ("sortby","date") .
                    433:                    "#dirlist\">" if (!$bydate);
                    434:                print "Age";
                    435:                print "</a>" if (!$bydate);
                    436:                print "</th>";
                    437:                if ($show_author) {
                    438:                    $infocols++;
                    439:                    print "<th align=left bgcolor=\"" . (($byauthor) ?
                    440:                                                   $columnHeaderColorSorted :
                    441:                                                   $columnHeaderColorDefault) . "\">";
                    442:                    print "<a href=\"./" . &toggleQuery ("sortby","author") .
                    443:                            "#dirlist\">" if (!$byauthor);
                    444:                    print "Author";
                    445:                    print "</a>" if (!$byauthor);
                    446:                    print "</th>";
                    447:                }
                    448:                $infocols++;
                    449:                print "<th align=left bgcolor=\"" . (($bylog) ?
                    450:                                               $columnHeaderColorSorted :
                    451:                                               $columnHeaderColorDefault) . "\">";
                    452:                print "<a href=\"./", toggleQuery("sortby","log"), "#dirlist\">" if (!$bylog);
                    453:                print "Last log entry";
                    454:                print "</a>" if (!$bylog);
                    455:                print "</th>";
                    456:            }
                    457:            elsif ($use_descriptions) {
                    458:                print "<th align=left bgcolor=\"". $columnHeaderColorDefault . "\">";
                    459:                print "Description";
                    460:                $infocols++;
                    461:            }
                    462:            print "</tr>\n";
                    463:        }
                    464:        else {
                    465:            print "<menu>\n";
                    466:        }
                    467:        my $dirrow = 0;
                    468:
                    469:        my $i;
1.9       fenner    470:        lookingforattic:
                    471:        for ($i = 0; $i <= $#dir; $i++) {
                    472:                if ($dir[$i] eq "Attic") {
3.1       knu       473:                    last lookingforattic;
1.9       fenner    474:                }
                    475:        }
3.1       knu       476:        if (!$input{'hideattic'} && ($i <= $#dir) &&
                    477:            opendir($dh, $fullname . "/Attic")) {
                    478:            splice(@dir, $i, 1,
                    479:                        grep((s|^|Attic/|,!m|/\.|), readdir($dh)));
                    480:            closedir($dh);
1.9       fenner    481:        }
3.1       knu       482:
                    483:        my $hideAtticToggleLink = "<a href=\"./" .
                    484:                &toggleQuery ("hideattic") .
                    485:                "#dirlist\">[Hide]</a>" if (!$input{'hideattic'});
                    486:
1.9       fenner    487:        # Sort without the Attic/ pathname.
3.1       knu       488:        # place directories first
                    489:
                    490:        my $attic;
                    491:        my $url;
                    492:        my $fileurl;
                    493:        my $filesexists;
                    494:        my $filesfound;
                    495:
                    496:        foreach (sort { &fileSortCmp } @dir) {
1.1       jfieber   497:            if ($_ eq '.') {
                    498:                next;
                    499:            }
1.19      wosch     500:            # ignore CVS lock and stale NFS files
3.1       knu       501:            next if (/^#cvs\.|^,|^\.nfs/);
                    502:
                    503:            # Check whether to show the CVSROOT path
                    504:            next if ($input{'hidecvsroot'} && ($_ eq 'CVSROOT'));
                    505:
                    506:            # Check whether the module is in the restricted list
                    507:            next if ($_ && &forbidden_module($_));
                    508:
                    509:            # Ignore non-readable files
                    510:            next if ($input{'hidenonreadable'} && !(-r "$fullname/$_"));
1.18      wosch     511:
1.9       fenner    512:            if (s|^Attic/||) {
3.1       knu       513:                $attic  = " (in the Attic)&nbsp;" . $hideAtticToggleLink;
                    514:            }
                    515:            else {
1.9       fenner    516:                $attic = "";
                    517:            }
3.1       knu       518:
                    519:            if ($_ eq '..' || -d "$fullname/$_") {
                    520:                next if ($_ eq '..' && $where eq '/');
                    521:                my ($rev,$date,$log,$author,$filename) = @{$fileinfo{$_}}
                    522:                    if (defined($fileinfo{$_}));
                    523:                print "<tr bgcolor=\"" . @tabcolors[$dirrow%2] . "\"><td>" if ($dirtable);
                    524:                if ($_ eq '..') {
                    525:                    $url = "../" . $query;
                    526:                    if ($nofilelinks) {
                    527:                        print $backicon;
                    528:                    }
                    529:                    else {
                    530:                        print &link($backicon,$url);
                    531:                    }
                    532:                    print " ", &link("Previous Directory",$url);
                    533:                }
                    534:                else {
                    535:                    $url = urlencode($_) . '/' . $query;
                    536:                    print "<A NAME=\"$_\"></A>";
                    537:                    if ($nofilelinks) {
                    538:                        print $diricon;
                    539:                    }
                    540:                    else {
                    541:                        print &link($diricon,$url);
                    542:                    }
                    543:                    print " ", &link($_ . "/", $url), $attic;
                    544:                    if ($_ eq "Attic") {
                    545:                        print "&nbsp; <a href=\"./" .
                    546:                            &toggleQuery ("hideattic") .
                    547:                                "#dirlist\">[Don't hide]</a>";
                    548:                    }
                    549:                }
                    550:                # Show last change in dir
                    551:                if ($filename) {
                    552:                    print "</td><td>&nbsp;</td><td>&nbsp;" if ($dirtable);
                    553:                    if ($date) {
                    554:                        print " <i>" . readableTime(time() - $date,0) . "</i>";
                    555:                    }
                    556:                    if ($show_author) {
                    557:                        print "</td><td>&nbsp;" if ($dirtable);
                    558:                        print $author;
                    559:                    }
                    560:                    print "</td><td>&nbsp;" if ($dirtable);
                    561:                    $filename =~ s%^[^/]+/%%;
                    562:                    print "$filename/$rev";
                    563:                    print "<BR>" if ($dirtable);
                    564:                    if ($log) {
                    565:                        print "&nbsp;<font size=-1>"
                    566:                            . &htmlify(substr($log,0,$shortLogLen));
                    567:                        if (length $log > 80) {
                    568:                            print "...";
                    569:                        }
                    570:                        print "</font>";
                    571:                    }
                    572:                }
                    573:                else {
                    574:                    my ($dwhere) = ($where ne "/" ? $where : "") . $_;
                    575:                    if ($use_descriptions && defined $descriptions{$dwhere}) {
                    576:                        print "<TD COLSPAN=" . ($infocols-1) . ">&nbsp;" if $dirtable;
                    577:                        print $descriptions{$dwhere};
                    578:                    } elsif ($dirtable && $infocols > 1) {
                    579:                        # close the row with the appropriate number of
                    580:                        # columns, so that the vertical seperators are visible
                    581:                        my($cols) = $infocols;
                    582:                        while ($cols > 1) {
                    583:                            print "</td><td>&nbsp;";
                    584:                            $cols--;
                    585:                        }
                    586:                    }
                    587:                }
                    588:                if ($dirtable) {
                    589:                    print "</td></tr>\n";
                    590:                }
                    591:                else {
                    592:                    print "<br>\n";
                    593:                }
                    594:                $dirrow++;
1.9       fenner    595:            }
3.1       knu       596:            elsif (s/,v$//) {
                    597:                $fileurl = ($attic ? "Attic/" : "") . urlencode($_);
                    598:                $url = $fileurl . $query;
                    599:                my $rev = '';
                    600:                my $date = '';
                    601:                my $log = '';
                    602:                my $author = '';
                    603:                $filesexists++;
                    604:                next if (!defined($fileinfo{$_}));
                    605:                ($rev,$date,$log,$author) = @{$fileinfo{$_}};
                    606:                $filesfound++;
                    607:                print "<tr bgcolor=\"" . @tabcolors[$dirrow%2] . "\"><td>" if ($dirtable);
                    608:                print "<A NAME=\"$_\"></A>";
                    609:                if ($nofilelinks) {
                    610:                    print $fileicon;
                    611:                }
                    612:                else {
                    613:                    print &link($fileicon,$url);
                    614:                }
                    615:                print " ", &link($_, $url), $attic;
                    616:                print "</td><td>&nbsp;" if ($dirtable);
                    617:                download_link($fileurl,
                    618:                        $rev, $rev,
                    619:                        $defaultViewable ? "text/x-cvsweb-markup" : undef);
                    620:                print "</td><td>&nbsp;" if ($dirtable);
                    621:                if ($date) {
                    622:                    print " <i>" . readableTime(time() - $date,0) . "</i>";
                    623:                }
                    624:                if ($show_author) {
                    625:                    print "</td><td>&nbsp;" if ($dirtable);
                    626:                    print $author;
                    627:                }
                    628:                print "</td><td>&nbsp;" if ($dirtable);
                    629:                if ($log) {
                    630:                    print " <font size=-1>" . &htmlify(substr($log,0,$shortLogLen));
                    631:                    if (length $log > 80) {
                    632:                        print "...";
                    633:                    }
                    634:                    print "</font>";
                    635:                }
                    636:                print "</td>" if ($dirtable);
                    637:                print (($dirtable) ? "</tr>" : "<br>");
                    638:                $dirrow++;
                    639:            }
                    640:            print "\n";
                    641:        }
                    642:        if ($dirtable && defined($tableBorderColor)) {
                    643:            print "</td></tr></table>";
                    644:        }
                    645:        print "". ($dirtable == 1) ? "</table>" : "</menu>" . "\n";
                    646:
                    647:        if ($filesexists && !$filesfound) {
                    648:            print "<P><B>NOTE:</B> There are $filesexists files, but none matches the current tag ($input{only_with_tag})\n";
                    649:        }
                    650:        if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                    651:            %tags = %alltags
                    652:        }
                    653:        if (scalar %tags
                    654:            || $input{only_with_tag}
                    655:            || $edit_option_form
                    656:            || defined($input{"options"})) {
                    657:            print "<hr size=1 NOSHADE>";
                    658:        }
                    659:
                    660:        if (scalar %tags || $input{only_with_tag}) {
                    661:            print "<FORM METHOD=\"GET\" ACTION=\"./\">\n";
                    662:            foreach my $var (@stickyvars) {
                    663:                print "<INPUT TYPE=HIDDEN NAME=\"$var\" VALUE=\"$input{$var}\">\n"
                    664:                    if (defined($input{$var})
                    665:                        && $input{$var} ne $DEFAULTVALUE{$var}
                    666:                        && $input{$var} ne ""
                    667:                        && $var ne "only_with_tag");
                    668:            }
                    669:            print "Show only files with tag:\n";
                    670:            print "<SELECT NAME=only_with_tag";
                    671:            print " onchange=\"submit()\"" if ($use_java_script);
                    672:            print ">";
                    673:            print "<OPTION VALUE=\"\">All tags / default branch\n";
                    674:            foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
                    675:                print "<OPTION",defined($input{only_with_tag}) &&
                    676:                       $input{only_with_tag} eq $tag ? " SELECTED":"",
                    677:                       ">$tag\n";
                    678:            }
                    679:            print "</SELECT>\n";
                    680:            print "<INPUT TYPE=SUBMIT VALUE=\"Go\">\n";
1.9       fenner    681:            print "</FORM>\n";
                    682:        }
3.1       knu       683:        my $formwhere = $scriptwhere;
                    684:        $formwhere =~ s|Attic/?$|| if ($input{'hideattic'});
                    685:
                    686:        if ($edit_option_form || defined($input{"options"})) {
                    687:            print "<FORM METHOD=\"GET\" ACTION=\"${formwhere}\">\n";
                    688:            print "<INPUT TYPE=HIDDEN NAME=\"copt\" VALUE=\"1\">\n";
                    689:            if ($cvstree ne $cvstreedefault) {
                    690:                print "<INPUT TYPE=HIDDEN NAME=\"cvsroot\" VALUE=\"$cvstree\">\n";
                    691:            }
                    692:            print "<center><table cellpadding=0 cellspacing=0>";
                    693:            print "<tr bgcolor=\"$columnHeaderColorDefault\"><th colspan=2>Preferences</th></tr>";
                    694:            print "<tr><td>Sort files by <SELECT name=\"sortby\">";
                    695:            print "<OPTION VALUE=\"\">File";
                    696:            print "<OPTION",$bydate ? " SELECTED" : ""," VALUE=date>Age";
                    697:            print "<OPTION",$byauthor ? " SELECTED" : ""," VALUE=author>Author"
                    698:                if ($show_author);
                    699:            print "<OPTION",$byrev ? " SELECTED" : ""," VALUE=rev>Revision";
                    700:            print "<OPTION",$bylog ? " SELECTED" : ""," VALUE=log>Log message";
                    701:            print "</SELECT></td>";
                    702:            print "<td>revisions by: \n";
                    703:            print "<SELECT NAME=logsort>\n";
                    704:            print "<OPTION VALUE=cvs",$logsort eq "cvs" ? " SELECTED" : "", ">Not sorted";
                    705:            print "<OPTION VALUE=date",$logsort eq "date" ? " SELECTED" : "", ">Commit date";
                    706:            print "<OPTION VALUE=rev",$logsort eq "rev" ? " SELECTED" : "", ">Revision";
                    707:            print "</SELECT></td></tr>";
                    708:            print "<tr><td>Diff format: ";
                    709:            printDiffSelect();
                    710:            print "</td>";
                    711:            print "<td>Show Attic files: ";
                    712:            print "<INPUT NAME=hideattic TYPE=CHECKBOX", $input{'hideattic'}?" CHECKED":"",
                    713:            "></td></tr>\n";
                    714:            print "<tr><td align=center colspan=2><input type=submit value=\"Change Options\">";
                    715:            print "</td></tr></table></center></FORM>\n";
1.12      fenner    716:        }
1.2       jfieber   717:        print &html_footer;
1.1       jfieber   718:        print "</BODY></HTML>\n";
3.1       knu       719:     }
                    720:
                    721: ###############################
                    722: # View Files
                    723: ###############################
                    724:     elsif (-f $fullname . ',v') {
                    725:        if (defined($input{'rev'}) || $doCheckout) {
                    726:            &doCheckout($fullname, $input{'rev'});
                    727:            exit;
                    728:        }
                    729:        if (defined($input{'annotate'}) && $allow_annotate) {
                    730:            &doAnnotate($input{'annotate'});
                    731:            exit;
                    732:        }
                    733:        if (defined($input{'r1'}) && defined($input{'r2'})) {
                    734:            &doDiff($fullname, $input{'r1'}, $input{'tr1'},
                    735:                    $input{'r2'}, $input{'tr2'}, $input{'f'});
                    736:            exit;
                    737:        }
                    738:        print("going to dolog($fullname)\n") if ($verbose);
                    739:        &doLog($fullname);
                    740: ##############################
                    741: # View Diff
                    742: ##############################
                    743:     }
                    744:     elsif ($fullname =~ s/\.diff$// && -f $fullname . ",v" &&
                    745:           $input{'r1'} && $input{'r2'}) {
                    746:
                    747:        # $where-diff-removal if 'cvs rdiff' is used
                    748:        # .. but 'cvs rdiff'doesn't support some options
                    749:        # rcsdiff does (-w and -p), so it is disabled
                    750:        # $where =~ s/\.diff$//;
                    751:
1.12      fenner    752:        # Allow diffs using the ".diff" extension
                    753:        # so that browsers that default to the URL
                    754:        # for a save filename don't save diff's as
                    755:        # e.g. foo.c
3.1       knu       756:        &doDiff($fullname, $input{'r1'}, $input{'tr1'},
1.12      fenner    757:                $input{'r2'}, $input{'tr2'}, $input{'f'});
                    758:        exit;
3.1       knu       759:     }
                    760:     elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1| &&
                    761:           -f $newname . ",v") {
1.12      fenner    762:        # The file has been removed and is in the Attic.
                    763:        # Send a redirect pointing to the file in the Attic.
3.1       knu       764:        (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
1.12      fenner    765:        &redirect($newplace);
                    766:        exit;
3.1       knu       767:     }
                    768:     elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
                    769:        http_header("text/plain");
1.12      fenner    770:        print "You matched the following files:\n";
                    771:        print join("\n", @files);
                    772:        # Find the tags from each file
                    773:        # Display a form offering diffs between said tags
3.1       knu       774:     }
                    775:     else {
                    776:        my $fh = do {local(*FH);};
                    777:        my ($xtra, $module);
1.12      fenner    778:        # Assume it's a module name with a potential path following it.
1.13      fenner    779:        $xtra = $& if (($module = $where) =~ s|/.*||);
1.12      fenner    780:        # Is there an indexed version of modules?
3.1       knu       781:        if (open($fh, "$cvsroot/CVSROOT/modules")) {
                    782:            while (<$fh>) {
                    783:                if (/^(\S+)\s+(\S+)/o && $module eq $1
                    784:                    && -d "${cvsroot}/$2" && $module ne $2) {
                    785:                    &redirect($scriptname . '/' . $2 . $xtra);
1.12      fenner    786:                }
3.1       knu       787:            }
1.12      fenner    788:        }
                    789:        &fatal("404 Not Found","$where: no such file or directory");
3.1       knu       790:     }
                    791: ## End MAIN
                    792:
                    793: sub printDiffSelect {
                    794:     my ($use_java_script) = @_;
                    795:     $use_java_script = 0 if (!defined($use_java_script));
                    796:     my ($f) = $input{'f'};
                    797:     print "<SELECT NAME=\"f\"";
                    798:     print " onchange=\"submit()\"" if ($use_java_script);
                    799:     print ">\n";
                    800:     print "<OPTION VALUE=h",$f eq "h" ? " SELECTED" : "", ">Colored Diff";
                    801:     print "<OPTION VALUE=H",$f eq "H" ? " SELECTED" : "", ">Long Colored Diff";
                    802:     print "<OPTION VALUE=u",$f eq "u" ? " SELECTED" : "", ">Unidiff";
                    803:     print "<OPTION VALUE=c",$f eq "c" ? " SELECTED" : "", ">Context Diff";
                    804:     print "<OPTION VALUE=s",$f eq "s" ? " SELECTED" : "", ">Side by Side";
                    805:     print "</SELECT>";
                    806: }
                    807:
                    808: sub findLastModifiedSubdirs {
                    809:     my (@dirs) = @_;
                    810:     my ($dirname, @files);
                    811:
                    812:     foreach $dirname (@dirs) {
                    813:        next if ($dirname eq ".");
                    814:        next if ($dirname eq "..");
                    815:        my ($dir) = "$fullname/$dirname";
                    816:        next if (!-d $dir);
                    817:
                    818:        my ($lastmod) = undef;
                    819:        my ($lastmodtime) = undef;
                    820:        my $dh = do {local(*DH);};
                    821:
                    822:        opendir($dh,$dir) || next;
                    823:        my (@filenames) = readdir($dh);
                    824:        closedir($dh);
                    825:
                    826:        foreach my $filename (@filenames) {
                    827:            $filename = "$dirname/$filename";
                    828:            my ($file) = "$fullname/$filename";
                    829:            next if ($filename !~ /,v$/ || !-f $file);
                    830:            $filename =~ s/,v$//;
                    831:            my $modtime = -M $file;
                    832:            if (!defined($lastmod) || $modtime < $lastmodtime) {
                    833:                $lastmod = $filename;
                    834:                $lastmodtime = $modtime;
                    835:            }
                    836:        }
                    837:        push(@files, $lastmod) if (defined($lastmod));
                    838:     }
                    839:     return @files;
1.12      fenner    840: }
                    841:
                    842: sub htmlify {
3.1       knu       843:        my($string, $pr) = @_;
1.12      fenner    844:
3.1       knu       845:        # Special Characters; RFC 1866
1.12      fenner    846:        $string =~ s/&/&amp;/g;
3.1       knu       847:        $string =~ s/\"/&quot;/g;
1.12      fenner    848:        $string =~ s/</&lt;/g;
                    849:        $string =~ s/>/&gt;/g;
                    850:
3.1       knu       851:        # get URL's as link ..
                    852:        $string =~ s`(http|ftp|https)(://[-a-zA-Z0-9%.~:_/]+)([?&]([-a-zA-Z0-9%.~:_]+)=([-a-zA-Z0-9%.~:_])+)*`<A HREF="$1$2$3">$1$2$3</A>`;
                    853:        # get e-mails as link
                    854:        $string =~ s`([-a-zA-Z0-9_.]+@([-a-zA-Z0-9]+\.)+[A-Za-z]{2,4})`<A HREF="mailto:$1">$1</A>`;
                    855:
                    856:        # get #PR as link ..
                    857:        if ($pr && defined($prcgi)) {
3.8     ! knu       858:            1 while $string =~ s`\b(pr[:#]?\s*(?:#?\d+[,\s]\s*)*#?)(\d+)\b`$1<A HREF="$prcgi$2">$2</A>`i;
        !           859:            $string =~ s`\b${prcategories}/(\d+)\b`<A HREF="$prcgi$1">$&</A>`igo;
3.1       knu       860:        }
                    861:
                    862:        return $string;
                    863: }
                    864:
                    865: sub spacedHtmlText {
                    866:        my($string, $pr) = @_;
                    867:
                    868:        # Cut trailing spaces
                    869:        s/\s+$//;
                    870:
                    871:        # Expand tabs
                    872:        $string =~ s/\t+/' ' x (length($&) * $tabstop - length($`) % $tabstop)/e
                    873:            if (defined($tabstop));
                    874:
                    875:        # replace <tab> and <space> (\001 is to protect us from htmlify)
                    876:        # gzip can make excellent use of this repeating pattern :-)
                    877:        $string =~ s/\001/\001%/g; #protect our & substitute
                    878:        if ($hr_breakable) {
                    879:            # make every other space 'breakable'
                    880:            $string =~ s/       / \001nbsp; \001nbsp; \001nbsp; \001nbsp;/g;    # <tab>
                    881:            $string =~ s/  / \001nbsp;/g;                              # 2 * <space>
                    882:            # leave single space as it is
                    883:        }
                    884:        else {
                    885:            $string =~ s/       /\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;/g;
                    886:            $string =~ s/ /\001nbsp;/g;
1.12      fenner    887:        }
                    888:
3.1       knu       889:        $string = htmlify($string);
                    890:
                    891:        # unescape
                    892:        $string =~ s/\001([^%])/&$1/g;
                    893:        $string =~ s/\001%/\001/g;
                    894:
                    895:        return $string;
1.12      fenner    896: }
                    897:
                    898: sub link {
3.1       knu       899:        my($name, $where) = @_;
1.12      fenner    900:
3.1       knu       901:        return "<A HREF=\"$where\">$name</A>\n";
1.12      fenner    902: }
                    903:
                    904: sub revcmp {
3.1       knu       905:        my($rev1, $rev2) = @_;
                    906:        my(@r1) = split(/\./, $rev1);
                    907:        my(@r2) = split(/\./, $rev2);
                    908:        my($a,$b);
1.12      fenner    909:
                    910:        while (($a = shift(@r1)) && ($b = shift(@r2))) {
                    911:            if ($a != $b) {
                    912:                return $a <=> $b;
                    913:            }
                    914:        }
                    915:        if (@r1) { return 1; }
                    916:        if (@r2) { return -1; }
                    917:        return 0;
                    918: }
                    919:
                    920: sub fatal {
3.1       knu       921:        my($errcode, $errmsg) = @_;
3.3       knu       922:        if ($is_mod_perl) {
3.1       knu       923:                Apache->request->status((split(/ /, $errcode))[0]);
                    924:        }
                    925:        else {
3.4       knu       926:                print "Status: $errcode\r\n";
3.1       knu       927:        }
                    928:        html_header("Error");
1.12      fenner    929:        print "Error: $errmsg\n";
                    930:        print &html_footer;
                    931:        exit(1);
                    932: }
                    933:
                    934: sub redirect {
3.1       knu       935:        my($url) = @_;
3.3       knu       936:        if ($is_mod_perl) {
3.1       knu       937:                Apache->request->status(301);
                    938:                Apache->request->header_out(Location => $url);
                    939:        }
                    940:        else {
3.4       knu       941:                print "Status: 301 Moved\r\n";
                    942:                print "Location: $url\r\n";
3.1       knu       943:        }
                    944:        html_header("Moved");
1.12      fenner    945:        print "This document is located <A HREF=$url>here</A>.\n";
                    946:        print &html_footer;
                    947:        exit(1);
                    948: }
                    949:
                    950: sub safeglob {
3.1       knu       951:        my ($filename) = @_;
                    952:        my ($dirname);
                    953:        my (@results);
                    954:        my $dh = do {local(*DH);};
1.12      fenner    955:
                    956:        ($dirname = $filename) =~ s|/[^/]+$||;
                    957:        $filename =~ s|.*/||;
                    958:
3.1       knu       959:        if (opendir($dh, $dirname)) {
                    960:                my $glob = $filename;
                    961:                my $t;
1.12      fenner    962:        #       transform filename from glob to regex.  Deal with:
                    963:        #       [, {, ?, * as glob chars
                    964:        #       make sure to escape all other regex chars
                    965:                $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                    966:                $glob =~ s/\*/.*/g;
                    967:                $glob =~ s/\?/./g;
                    968:                $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
3.1       knu       969:                foreach (readdir($dh)) {
1.12      fenner    970:                        if (/^${glob}$/) {
                    971:                                push(@results, $dirname . "/" .$_);
                    972:                        }
                    973:                }
                    974:        }
                    975:
                    976:        @results;
                    977: }
                    978:
3.1       knu       979: sub getMimeTypeFromSuffix {
                    980:     my ($fullname) = @_;
                    981:     my ($mimetype, $suffix);
                    982:     my $fh = do {local(*FH);};
                    983:
                    984:     ($suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                    985:     $mimetype = $MTYPES{$suffix};
                    986:     $mimetype = $MTYPES{'*'} if (!$mimetype);
                    987:
                    988:     if (!$mimetype && -f $mime_types) {
                    989:        # okey, this is something special - search the
                    990:        # mime.types database
                    991:        open ($fh, "<$mime_types");
                    992:        while (<$fh>) {
                    993:            if ($_ =~ /^\s*(\S+\/\S+).*\b$suffix\b/) {
                    994:                $mimetype = $1;
                    995:                last;
                    996:            }
                    997:        }
                    998:        close ($fh);
                    999:     }
                   1000:
                   1001: # okey, didn't find anything useful ..
                   1002:     if (!($mimetype =~ /\S\/\S/)) {
                   1003:        $mimetype = "text/plain";
                   1004:     }
                   1005:     return $mimetype;
                   1006: }
                   1007:
                   1008: ###############################
                   1009: # show Annotation
                   1010: ###############################
                   1011: sub doAnnotate ($$) {
                   1012:     my ($rev) = @_;
                   1013:     my ($pid);
                   1014:     my ($pathname, $filename);
                   1015:     my $reader = do {local(*FH);};
                   1016:     my $writer = do {local(*FH);};
                   1017:
                   1018:     # make sure the revisions a wellformed, for security
                   1019:     # reasons ..
                   1020:     if (!($rev =~ /^[\d\.]+$/)) {
                   1021:        &fatal("404 Not Found",
3.3       knu      1022:                "Malformed query \"$ENV{QUERY_STRING}\"");
3.1       knu      1023:     }
1.12      fenner   1024:
3.1       knu      1025:     ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1026:     ($filename = $where) =~ s/^.*\///;
                   1027:
                   1028:     http_header();
                   1029:
                   1030:     navigateHeader ($scriptwhere,$pathname,$filename,$rev, "annotate");
                   1031:     print "<h3 align=center>Annotation of $pathname$filename, Revision $rev</h3>\n";
                   1032:
                   1033:     # this seems to be necessary
                   1034:     $| = 1; $| = 0; # Flush
                   1035:
                   1036:     # this annotate version is based on the
                   1037:     # cvs annotate-demo Perl script by Cyclic Software
                   1038:     # It was written by Cyclic Software, http://www.cyclic.com/, and is in
                   1039:     # the public domain.
                   1040:     # we could abandon the use of rlog, rcsdiff and co using
                   1041:     # the cvsserver in a similiar way one day (..after rewrite)
                   1042:     $pid = open2($reader, $writer, "cvs server") || fatal ("500 Internal Error",
                   1043:                                                               "Fatal Error - unable to open cvs for annotation");
                   1044:
                   1045:     # OK, first send the request to the server.  A simplified example is:
                   1046:     #     Root /home/kingdon/zwork/cvsroot
                   1047:     #     Argument foo/xx
                   1048:     #     Directory foo
                   1049:     #     /home/kingdon/zwork/cvsroot/foo
                   1050:     #     Directory .
                   1051:     #     /home/kingdon/zwork/cvsroot
                   1052:     #     annotate
                   1053:     # although as you can see there are a few more details.
                   1054:
                   1055:     print $writer "Root $cvsroot\n";
                   1056:     print $writer "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1057:     # Don't worry about sending valid-requests, the server just needs to
                   1058:     # support "annotate" and if it doesn't, there isn't anything to be done.
                   1059:     print $writer "UseUnchanged\n";
                   1060:     print $writer "Argument -r\n";
                   1061:     print $writer "Argument $rev\n";
                   1062:     print $writer "Argument $where\n";
                   1063:
                   1064:     # The protocol requires us to fully fake a working directory (at
                   1065:     # least to the point of including the directories down to the one
                   1066:     # containing the file in question).
                   1067:     # So if $where is "dir/sdir/file", then @dirs will be ("dir","sdir","file")
3.3       knu      1068:     my @dirs = split('/', $where);
3.1       knu      1069:     my $path = "";
                   1070:     foreach (@dirs) {
                   1071:        if ($path eq "") {
                   1072:            # In our example, $_ is "dir".
                   1073:            $path = $_;
1.44      knu      1074:        }
3.1       knu      1075:        else {
3.3       knu      1076:            print $writer "Directory $path\n";
                   1077:            print $writer "$cvsroot/$path\n";
3.1       knu      1078:            # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1079:            # And the next time, "file" and "dir/sdir/file" (which then gets
                   1080:            # ignored, because we don't need to send Directory for the file).
3.3       knu      1081:             $path .= "/$_";
3.1       knu      1082:        }
                   1083:     }
                   1084:     # And the last "Directory" before "annotate" is the top level.
                   1085:     print $writer "Directory .\n";
                   1086:     print $writer "$cvsroot\n";
                   1087:
                   1088:     print $writer "annotate\n";
                   1089:     # OK, we've sent our command to the server.  Thing to do is to
                   1090:     # close the writer side and get all the responses.  If "cvs server"
                   1091:     # were nicer about buffering, then we could just leave it open, I think.
                   1092:     close ($writer) || die "cannot close: $!";
                   1093:
                   1094:     # Ready to get the responses from the server.
                   1095:     # For example:
                   1096:     #     E Annotations for foo/xx
                   1097:     #     E ***************
                   1098:     #     M 1.3          (kingdon  06-Sep-97): hello
                   1099:     #     ok
                   1100:     my ($lineNr) = 0;
                   1101:     my ($oldLrev, $oldLusr) = ("", "");
                   1102:     my ($revprint, $usrprint);
                   1103:     if ($annTable) {
                   1104:        print "<table border=0 cellspacing=0 cellpadding=0>\n";
                   1105:     }
                   1106:     else {
                   1107:        print "<pre>";
                   1108:     }
                   1109:     while (<$reader>) {
                   1110:        my @words = split;
                   1111:        # Adding one is for the (single) space which follows $words[0].
                   1112:        my $rest = substr ($_, length ($words[0]) + 1);
                   1113:        if ($words[0] eq "E") {
                   1114:            next;
                   1115:        }
                   1116:        elsif ($words[0] eq "M") {
                   1117:            $lineNr++;
                   1118:            my $lrev = substr ($_, 2, 13);
                   1119:            my $lusr = substr ($_, 16,  9);
                   1120:            my $line = substr ($_, 36);
                   1121:            # we should parse the date here ..
                   1122:            if ($lrev eq $oldLrev) {
                   1123:                $revprint = "             ";
                   1124:            }
                   1125:            else {
                   1126:                $revprint = $lrev; $oldLusr = "";
                   1127:            }
                   1128:            if ($lusr eq $oldLusr) {
                   1129:                $usrprint = "         ";
                   1130:            }
                   1131:            else {
                   1132:                $usrprint = $lusr;
                   1133:            }
                   1134:            $oldLrev = $lrev;
                   1135:            $oldLusr = $lusr;
                   1136:            # is there a less timeconsuming way to strip spaces ?
                   1137:            ($lrev = $lrev) =~ s/\s+//g;
3.3       knu      1138:            my $isCurrentRev = ($rev eq $lrev);
3.1       knu      1139:
                   1140:            print "<b>" if ($isCurrentRev);
                   1141:            printf ("%8s%s%8s %4d:", $revprint, ($isCurrentRev ? "|" : " "), $usrprint, $lineNr);
                   1142:            print spacedHtmlText($line);
                   1143:            print "</b>" if ($isCurrentRev);
                   1144:        }
                   1145:        elsif ($words[0] eq "ok") {
                   1146:            # We could complain about any text received after this, like the
                   1147:            # CVS command line client.  But for simplicity, we don't.
                   1148:        }
                   1149:        elsif ($words[0] eq "error") {
                   1150:            fatal ("500 Internal Error", "Error occured during annotate: <b>$_</b>");
                   1151:        }
                   1152:     }
                   1153:     if ($annTable) {
                   1154:        print "</table>";
                   1155:     }
                   1156:     else {
                   1157:        print "</pre>";
                   1158:     }
                   1159:     close ($reader) || warn "cannot close: $!";
                   1160:     wait;
                   1161: }
                   1162:
                   1163: ###############################
                   1164: # make Checkout
                   1165: ###############################
                   1166: sub doCheckout {
                   1167:     my ($fullname, $rev) = @_;
                   1168:     my ($mimetype,$revopt);
                   1169:     my $fh = do {local(*FH);};
                   1170:
                   1171:     # make sure the revisions a wellformed, for security
                   1172:     # reasons ..
                   1173:     if (defined($rev) && !($rev =~ /^[\d\.]+$/)) {
                   1174:        &fatal("404 Not Found",
3.3       knu      1175:                "Malformed query \"$ENV{QUERY_STRING}\"");
3.1       knu      1176:     }
                   1177:
                   1178:     # get mimetype
                   1179:     if (defined($input{"content-type"}) && ($input{"content-type"} =~ /\S\/\S/)) {
                   1180:        $mimetype = $input{"content-type"}
                   1181:     }
                   1182:     else {
                   1183:        $mimetype = &getMimeTypeFromSuffix($fullname);
                   1184:     }
                   1185:
                   1186:     if (defined($rev)) {
                   1187:        $revopt = "-r$rev";
                   1188:        if ($use_moddate) {
                   1189:            readLog($fullname,$rev);
                   1190:            $moddate=$date{$rev};
                   1191:        }
                   1192:     }
                   1193:     else {
                   1194:        $revopt = "-rHEAD";
                   1195:        if ($use_moddate) {
                   1196:            readLog($fullname);
                   1197:            $moddate=$date{$symrev{HEAD}};
                   1198:        }
                   1199:     }
                   1200:
                   1201:     ### just for the record:
                   1202:     ### 'cvs co' seems to have a bug regarding single checkout of
                   1203:     ### directories/files having spaces in it;
                   1204:     ### this is an issue that should be resolved on cvs's side
                   1205:     #
                   1206:     # Safely for a child process to read from.
                   1207:     if (! open($fh, "-|")) { # child
                   1208:       open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
3.3       knu      1209:       exec("cvs", "-d", $cvsroot, "co", "-p", $revopt, $where);
3.1       knu      1210:     }
                   1211: #===================================================================
                   1212: #Checking out squid/src/ftp.c
                   1213: #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   1214: #VERS: 1.1.1.28.6.2
                   1215: #***************
                   1216:
                   1217:     # Parse CVS header
                   1218:     my ($revision, $filename, $cvsheader);
                   1219:     while(<$fh>) {
                   1220:        last if (/^\*\*\*\*/);
                   1221:        $revision = $1 if (/^VERS: (.*)$/);
                   1222:        if (/^Checking out (.*)$/) {
                   1223:                $filename = $1;
                   1224:                $filename =~ s/^\.\/*//;
1.12      fenner   1225:        }
3.1       knu      1226:        $cvsheader .= $_;
                   1227:     }
                   1228:     if ($filename ne $where) {
                   1229:        &fatal("500 Internal Error",
                   1230:               "Unexpected output from cvs co: $cvsheader"
                   1231:               . "<p><b>Check whether the directory $cvsroot/CVSROOT exists "
                   1232:               . "and the script has write-access to the CVSROOT/history "
                   1233:               . "file if it exists."
                   1234:               . "<br>The script needs to place lock files in the "
                   1235:               . "directory the file is in as well.</b>");
                   1236:     }
                   1237:     $| = 1;
                   1238:
                   1239:     if ($mimetype eq "text/x-cvsweb-markup") {
                   1240:        &cvswebMarkup($fh,$fullname,$revision);
                   1241:     }
                   1242:     else {
                   1243:        http_header($mimetype);
                   1244:        print <$fh>;
                   1245:     }
                   1246:     close($fh);
                   1247: }
                   1248:
                   1249: sub cvswebMarkup {
                   1250:     my ($filehandle,$fullname,$revision) = @_;
                   1251:     my ($pathname, $filename);
                   1252:
                   1253:     ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1254:     ($filename = $where) =~ s/^.*\///;
                   1255:     my ($fileurl) = urlencode($filename);
                   1256:
                   1257:     http_header();
                   1258:
                   1259:     navigateHeader ($scriptwhere, $pathname, $filename, $revision, "view");
                   1260:     print "<HR noshade>";
                   1261:     print "<table width=\"100%\"><tr><td bgcolor=\"$markupLogColor\">";
                   1262:     print "File: ", &clickablePath($where, 1);
                   1263:     print "&nbsp;";
                   1264:     &download_link(urlencode($fileurl), $revision, "(download)");
                   1265:     if (!$defaultTextPlain) {
                   1266:        print "&nbsp;";
                   1267:        &download_link(urlencode($fileurl), $revision, "(as text)",
                   1268:               "text/plain");
                   1269:     }
                   1270:     print "<BR>\n";
                   1271:     if ($show_log_in_markup) {
                   1272:        readLog($fullname); #,$revision);
                   1273:        printLog($revision,0);
                   1274:     }
                   1275:     else {
                   1276:        print "Version: <B>$revision</B><BR>\n";
                   1277:        print "Tag: <B>", $input{only_with_tag}, "</b><br>\n" if
                   1278:            $input{only_with_tag};
                   1279:     }
                   1280:     print "</td></tr></table>";
                   1281:     my @content = <$filehandle>;
                   1282:     my $url = download_url($fileurl, $revision, $mimetype);
                   1283:     print "<HR noshade>";
                   1284:     if ($mimetype =~ /^image/) {
                   1285:        print "<IMG SRC=\"$url$barequery\"><BR>";
                   1286:     }
                   1287:     else {
                   1288:        print "<PRE>";
                   1289:        foreach (@content) {
                   1290:            print spacedHtmlText($_);
1.12      fenner   1291:        }
3.1       knu      1292:        print "</PRE>";
                   1293:     }
1.12      fenner   1294: }
                   1295:
3.1       knu      1296: sub viewable($) {
                   1297:     my ($mimetype) = @_;
                   1298:
                   1299:     $mimetype =~ m%^text/% ||
                   1300:     $mimetype =~ m%^image/% ||
                   1301:     0;
                   1302: }
                   1303:
                   1304: ###############################
                   1305: # Show Colored Diff
                   1306: ###############################
                   1307: sub doDiff {
                   1308:        my($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   1309:         my $fh = do {local(*FH);};
                   1310:        my ($rev1, $rev2, $sym1, $sym2, @difftype, $diffname, $f1, $f2);
1.12      fenner   1311:
                   1312:        if ($r1 =~ /([^:]+)(:(.+))?/) {
                   1313:            $rev1 = $1;
                   1314:            $sym1 = $3;
                   1315:        }
3.1       knu      1316:        if ($r1 eq 'text') {
1.12      fenner   1317:            $rev1 = $tr1;
3.1       knu      1318:            $sym1 = "";
1.12      fenner   1319:        }
                   1320:        if ($r2 =~ /([^:]+)(:(.+))?/) {
                   1321:            $rev2 = $1;
                   1322:            $sym2 = $3;
                   1323:        }
3.1       knu      1324:        if ($r2 eq 'text') {
1.12      fenner   1325:            $rev2 = $tr2;
3.1       knu      1326:            $sym2 = "";
1.12      fenner   1327:        }
3.1       knu      1328:        # make sure the revisions a wellformed, for security
                   1329:        # reasons ..
1.12      fenner   1330:        if (!($rev1 =~ /^[\d\.]+$/) || !($rev2 =~ /^[\d\.]+$/)) {
                   1331:            &fatal("404 Not Found",
3.3       knu      1332:                    "Malformed query \"$ENV{QUERY_STRING}\"");
1.12      fenner   1333:        }
                   1334: #
                   1335: # rev1 and rev2 are now both numeric revisions.
                   1336: # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   1337: # XXX should we warn about the fact that we do this?
                   1338:        if (&revcmp($rev1,$rev2) > 0) {
3.1       knu      1339:            my ($tmp1, $tmp2) = ($rev1, $sym1);
1.12      fenner   1340:            ($rev1, $sym1) = ($rev2, $sym2);
                   1341:            ($rev2, $sym2) = ($tmp1, $tmp2);
                   1342:        }
3.1       knu      1343:        my $human_readable = 0;
1.12      fenner   1344:        if ($f eq 'c') {
3.1       knu      1345:            @difftype = qw{-c};
1.12      fenner   1346:            $diffname = "Context diff";
3.1       knu      1347:        }
                   1348:        elsif ($f eq 's') {
                   1349:            @difftype = qw{--side-by-side --width=164};
1.12      fenner   1350:            $diffname = "Side by Side";
3.1       knu      1351:        }
                   1352:        elsif ($f eq 'H') {
                   1353:            $human_readable = 1;
                   1354:            @difftype = qw{--unified=15};
                   1355:            $diffname = "Long Human readable";
                   1356:        }
                   1357:        elsif ($f eq 'h') {
                   1358:            @difftype =qw{-u};
                   1359:            $human_readable = 1;
                   1360:            $diffname = "Human readable";
                   1361:        }
                   1362:        elsif ($f eq 'u') {
                   1363:            @difftype = qw{-u};
1.12      fenner   1364:            $diffname = "Unidiff";
                   1365:        }
3.1       knu      1366:        else {
                   1367:            fatal ("400 Bad arguments", "Diff format $f not understood");
                   1368:        }
                   1369:
                   1370:        # apply special options
3.3       knu      1371:        if ($showfunc) {
                   1372:            push @difftype, '-p';
3.1       knu      1373:
3.3       knu      1374:            my($re1, $re2);
3.1       knu      1375:
3.3       knu      1376:            while (($re1, $re2) = each %funcline_regexp) {
                   1377:                if ($fullname =~ /$re1/) {
                   1378:                    push @difftype, '-F', '$re2';
                   1379:                    last;
3.1       knu      1380:                }
                   1381:            }
3.3       knu      1382:        }
                   1383:        if ($human_readable) {
3.1       knu      1384:            if ($hr_ignwhite) {
                   1385:                push @difftype, '-w';
                   1386:            }
                   1387:            if ($hr_ignkeysubst) {
                   1388:                push @difftype, '-kk';
                   1389:            }
                   1390:        }
                   1391:        if (! open($fh, "-|")) { # child
3.3       knu      1392:            open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
                   1393:            exec("rcsdiff",@difftype,"-r$rev1","-r$rev2",$fullname);
3.1       knu      1394:        }
                   1395:        if ($human_readable) {
                   1396:            http_header();
                   1397:            &human_readable_diff($fh, $rev2);
                   1398:            exit;
                   1399:        }
                   1400:        else {
                   1401:            http_header("text/plain");
1.44      knu      1402:        }
1.12      fenner   1403: #
                   1404: #===================================================================
                   1405: #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   1406: #retrieving revision 1.16
                   1407: #retrieving revision 1.17
                   1408: #diff -c -r1.16 -r1.17
                   1409: #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   1410: #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   1411: #
                   1412: # Ideas:
                   1413: # - nuke the stderr output if it's what we expect it to be
                   1414: # - Add "no differences found" if the diff command supplied no output.
                   1415: #
                   1416: #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   1417: #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   1418: # (bogus example, but...)
                   1419: #
3.1       knu      1420:        if (grep { $_ eq '-u'} @difftype) {
1.12      fenner   1421:            $f1 = '---';
                   1422:            $f2 = '\+\+\+';
3.1       knu      1423:        }
                   1424:        else {
1.12      fenner   1425:            $f1 = '\*\*\*';
                   1426:            $f2 = '---';
                   1427:        }
3.1       knu      1428:        while (<$fh>) {
1.12      fenner   1429:            if (m|^$f1 $cvsroot|o) {
                   1430:                s|$cvsroot/||o;
                   1431:                if ($sym1) {
                   1432:                    chop;
                   1433:                    $_ .= " " . $sym1 . "\n";
                   1434:                }
3.1       knu      1435:            }
                   1436:            elsif (m|^$f2 $cvsroot|o) {
1.12      fenner   1437:                s|$cvsroot/||o;
                   1438:                if ($sym2) {
                   1439:                    chop;
                   1440:                    $_ .= " " . $sym2 . "\n";
                   1441:                }
                   1442:            }
                   1443:            print $_;
                   1444:        }
3.1       knu      1445:        close($fh);
1.12      fenner   1446: }
                   1447:
3.1       knu      1448: ###############################
                   1449: # Show Logs ..
                   1450: ###############################
                   1451: sub getDirLogs {
                   1452:     my ($cvsroot,$dirname,@otherFiles) = @_;
                   1453:     my ($state,$otherFiles,$tag, $file, $date, $branchpoint, $branch, $log);
                   1454:     my ($rev, $revision, $revwanted, $filename, $head, $author);
                   1455:
                   1456:     $tag = $input{only_with_tag};
                   1457:
                   1458:     my ($DirName) = "$cvsroot/$where";
                   1459:     my (@files, @filetags);
                   1460:     my $fh = do {local(*FH);};
                   1461:
                   1462:     push(@files, &safeglob("$DirName/*,v"));
                   1463:     push(@files, &safeglob("$DirName/Attic/*,v")) if (!$input{'hideattic'});
                   1464:     foreach $file (@otherFiles) {
                   1465:        push(@files, "$DirName/$file");
                   1466:     }
                   1467:
                   1468:     # just execute rlog if there are any files
                   1469:     if ($#files < 0) {
                   1470:        return;
                   1471:     }
                   1472:
                   1473:     if ($tag) {
                   1474:        #can't use -r<tag> as - is allowed in tagnames, but misinterpreated by rlog..
                   1475:        if (! open($fh, "-|")) {
3.7       knu      1476:                open(STDERR, '>/dev/null'); # rlog may complain; ignore.
                   1477:                exec('rlog', @files);
3.1       knu      1478:        }
                   1479:     }
                   1480:     else {
                   1481:        my $kidpid = open($fh, "-|");
                   1482:        if (! $kidpid) {
3.4       knu      1483:                open(STDERR, '>/dev/null'); # rlog may complain; ignore.
3.7       knu      1484:                exec('rlog', '-r', @files);
3.1       knu      1485:        }
                   1486:     }
                   1487:     $state = "start";
                   1488:     while (<$fh>) {
                   1489:        if ($state eq "start") {
                   1490:            #Next file. Initialize file variables
                   1491:            $rev = undef;
                   1492:            $revwanted = undef;
                   1493:            $branch = undef;
                   1494:            $branchpoint = undef;
                   1495:            $filename = undef;
                   1496:            $log = undef;
                   1497:            $revision = undef;
                   1498:            $branch = undef;
                   1499:            %symrev = ();
                   1500:            @filetags = ();
                   1501:            #jump to head state
                   1502:            $state = "head";
                   1503:        }
                   1504:        print "$state:$_" if ($verbose);
                   1505: again:
                   1506:        if ($state eq "head") {
                   1507:            #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
                   1508:            $filename = $1 if (/^Working file: (.+)$/);
                   1509:            $head = $1 if (/^head: (.+)$/);
                   1510:            $branch = $1 if (/^branch: (.+)$/);
                   1511:        }
                   1512:        if ($state eq "head" && /^symbolic names/) {
                   1513:            $state = "tags";
                   1514:            ($branch = $head) =~ s/\.\d+$// if (!defined($branch));
                   1515:            $branch =~ s/(\.?)(\d+)$/${1}0.$2/;
                   1516:            $symrev{MAIN} = $branch;
                   1517:            $symrev{HEAD} = $branch;
                   1518:            $alltags{MAIN} = 1;
                   1519:            $alltags{HEAD} = 1;
                   1520:            push (@filetags, "MAIN", "HEAD");
                   1521:            next;
                   1522:        }
                   1523:        if ($state eq "tags" &&
                   1524:                            /^\s+(.+):\s+([\d\.]+)\s+$/) {
                   1525:            push (@filetags, $1);
                   1526:            $symrev{$1} = $2;
                   1527:            $alltags{$1} = 1;
                   1528:            next;
                   1529:        }
                   1530:        if ($state eq "tags" && /^\S/) {
                   1531:            if (defined($tag) && (defined($symrev{$tag}) || $tag eq "HEAD")) {
                   1532:                $revwanted = $tag eq "HEAD" ? $symrev{"MAIN"} : $symrev{$tag};
                   1533:                ($branch = $revwanted) =~ s/\b0\.//;
                   1534:                ($branchpoint = $branch) =~ s/\.?\d+$//;
                   1535:                $revwanted = undef if ($revwanted ne $branch);
                   1536:            }
                   1537:            elsif (defined($tag) && $tag ne "HEAD") {
                   1538:                print "Tag not found, skip this file" if ($verbose);
                   1539:                $state = "skip";
                   1540:                next;
                   1541:            }
                   1542:            foreach my $tagfound (@filetags) {
                   1543:                $tags{$tagfound} = 1;
                   1544:            }
                   1545:            $state = "head";
                   1546:            goto again;
                   1547:        }
                   1548:        if ($state eq "head" && /^----------------------------$/) {
                   1549:            $state = "log";
                   1550:            $rev = undef;
                   1551:            $date = undef;
                   1552:            $log = "";
                   1553:            # Try to reconstruct the relative filename if RCS spits out a full path
                   1554:            $filename =~ s%^\Q$DirName\E/%%;
                   1555:            next;
                   1556:        }
                   1557:        if ($state eq "log") {
                   1558:            if (/^----------------------------$/
                   1559:                || /^=============================/) {
                   1560:                # End of a log entry.
                   1561:                my $revbranch;
                   1562:                ($revbranch = $rev) =~ s/\.\d+$//;
                   1563:                print "$filename $rev Wanted: $revwanted "
                   1564:                    . "Revbranch: $revbranch Branch: $branch "
                   1565:                    . "Branchpoint: $branchpoint\n" if ($verbose);
                   1566:                if (!defined($revwanted) && defined($branch)
                   1567:                    && $branch eq $revbranch || !defined($tag)) {
                   1568:                    print "File revision $rev found for branch $branch\n"
                   1569:                        if ($verbose);
                   1570:                    $revwanted = $rev;
                   1571:                }
                   1572:                if (defined($revwanted) ? $rev eq $revwanted :
                   1573:                    defined($branchpoint) ? $rev eq $branchpoint :
                   1574:                    0 && ($rev eq $head)) { # Don't think head is needed here..
                   1575:                    print "File info $rev found for $filename\n" if ($verbose);
                   1576:                    my @finfo = ($rev,$date,$log,$author,$filename);
                   1577:                    my ($name);
                   1578:                    ($name = $filename) =~ s%/.*%%;
                   1579:                    $fileinfo{$name} = [ @finfo ];
                   1580:                    $state = "done" if ($rev eq $revwanted);
                   1581:                }
                   1582:                $rev = undef;
                   1583:                $date = undef;
                   1584:                $log = "";
                   1585:            }
                   1586:            elsif (!defined($date) && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|) {
                   1587:                my $yr = $1;
                   1588:                # damn 2-digit year routines :-)
                   1589:                if ($yr > 100) {
                   1590:                    $yr -= 1900;
                   1591:                }
                   1592:                $date = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
                   1593:                ($author) = /author: ([^;]+)/;
                   1594:                $state = "log";
                   1595:                $log = '';
                   1596:                next;
                   1597:            }
                   1598:            elsif (!defined($rev) && m/^revision (.*)$/) {
                   1599:                $rev = $1;
                   1600:                next;
                   1601:            }
                   1602:            else {
                   1603:                $log = $log . $_;
                   1604:            }
                   1605:        }
                   1606:        if (/^===============/) {
                   1607:            $state = "start";
                   1608:            next;
                   1609:        }
                   1610:     }
                   1611:     if ($. == 0) {
                   1612:        fatal("500 Internal Error",
                   1613:              "Failed to spawn GNU rlog on <em>'".join(", ", @files)."'</em><p>did you set the <b>\$ENV{PATH}</b> in your configuration file correctly ?");
                   1614:     }
                   1615:     close($fh);
                   1616: }
                   1617:
                   1618: sub readLog {
                   1619:        my($fullname,$revision) = @_;
                   1620:        my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   1621:        my $fh = do {local(*FH);};
                   1622:
                   1623:        if (defined($revision)) {
                   1624:            $revision = "-r$revision";
                   1625:        }
                   1626:        else {
                   1627:            $revision = "";
                   1628:        }
                   1629:
                   1630:        undef %symrev;
                   1631:        undef %revsym;
                   1632:        undef @allrevisions;
                   1633:        undef %date;
                   1634:        undef %author;
                   1635:        undef %state;
                   1636:        undef %difflines;
                   1637:        undef %log;
1.12      fenner   1638:
                   1639:        print("Going to rlog '$fullname'\n") if ($verbose);
3.1       knu      1640:        if (! open($fh, "-|")) { # child
                   1641:                if ($revision ne '') {
                   1642:                        exec("rlog",$revision,$fullname);
                   1643:                }
                   1644:                else {
                   1645:                        exec("rlog",$fullname);
                   1646:                }
1.44      knu      1647:        }
3.1       knu      1648:        while (<$fh>) {
1.1       jfieber  1649:            print if ($verbose);
                   1650:            if ($symnames) {
                   1651:                if (/^\s+([^:]+):\s+([\d\.]+)/) {
                   1652:                    $symrev{$1} = $2;
3.1       knu      1653:                }
                   1654:                else {
1.1       jfieber  1655:                    $symnames = 0;
                   1656:                }
3.1       knu      1657:            }
                   1658:            elsif (/^head:\s+([\d\.]+)/) {
                   1659:                $head = $1;
                   1660:            }
                   1661:            elsif (/^branch:\s+([\d\.]+)/) {
                   1662:                $curbranch = $1;
                   1663:            }
                   1664:            elsif (/^symbolic names/) {
1.1       jfieber  1665:                $symnames = 1;
3.1       knu      1666:            }
                   1667:            elsif (/^-----/) {
1.1       jfieber  1668:                last;
                   1669:            }
                   1670:        }
3.1       knu      1671:        ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
1.7       fenner   1672:
1.1       jfieber  1673: # each log entry is of the form:
                   1674: # ----------------------------
                   1675: # revision 3.7.1.1
                   1676: # date: 1995/11/29 22:15:52;  author: fenner;  state: Exp;  lines: +5 -3
                   1677: # log info
                   1678: # ----------------------------
                   1679:        logentry:
                   1680:        while (!/^=========/) {
3.1       knu      1681:            $_ = <$fh>;
1.12      fenner   1682:            last logentry if (!defined($_));    # EOF
1.1       jfieber  1683:            print "R:", $_ if ($verbose);
                   1684:            if (/^revision ([\d\.]+)/) {
                   1685:                $rev = $1;
3.1       knu      1686:                unshift(@allrevisions,$rev);
                   1687:            }
                   1688:            elsif (/^========/ || /^----------------------------$/) {
1.1       jfieber  1689:                next logentry;
3.1       knu      1690:            }
                   1691:            else {
1.12      fenner   1692:                # The rlog output is syntactically ambiguous.  We must
                   1693:                # have guessed wrong about where the end of the last log
                   1694:                # message was.
                   1695:                # Since this is likely to happen when people put rlog output
                   1696:                # in their commit messages, don't even bother keeping
                   1697:                # these lines since we don't know what revision they go with
                   1698:                # any more.
                   1699:                next logentry;
                   1700: #              &fatal("500 Internal Error","Error parsing RCS output: $_");
1.1       jfieber  1701:            }
3.1       knu      1702:            $_ = <$fh>;
1.1       jfieber  1703:            print "D:", $_ if ($verbose);
3.1       knu      1704:            if (m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);\s+author:\s+(\S+);\s+state:\s+(\S+);\s+(lines:\s+([0-9\s+-]+))?|) {
                   1705:                my $yr = $1;
                   1706:                 # damn 2-digit year routines :-)
                   1707:                 if ($yr > 100) {
                   1708:                     $yr -= 1900;
                   1709:                 }
                   1710:                $date{$rev} = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
1.1       jfieber  1711:                $author{$rev} = $7;
1.9       fenner   1712:                $state{$rev} = $8;
3.1       knu      1713:                $difflines{$rev} = $10;
                   1714:            }
                   1715:            else {
1.1       jfieber  1716:                &fatal("500 Internal Error", "Error parsing RCS output: $_");
                   1717:            }
                   1718:            line:
3.1       knu      1719:            while (<$fh>) {
1.1       jfieber  1720:                print "L:", $_ if ($verbose);
                   1721:                next line if (/^branches:\s/);
                   1722:                last line if (/^----------------------------$/ || /^=========/);
                   1723:                $log{$rev} .= $_;
                   1724:            }
                   1725:            print "E:", $_ if ($verbose);
                   1726:        }
3.1       knu      1727:        close($fh);
1.1       jfieber  1728:        print "Done reading RCS file\n" if ($verbose);
3.1       knu      1729:
                   1730:        @revorder = reverse sort {revcmp($a,$b)} @allrevisions;
                   1731:        print "Done sorting revisions",join(" ",@revorder),"\n" if ($verbose);
                   1732:
1.1       jfieber  1733: #
                   1734: # HEAD is an artificial tag which is simply the highest tag number on the main
1.8       fenner   1735: # branch, unless there is a branch tag in the RCS file in which case it's the
                   1736: # highest revision on that branch.  Find it by looking through @revorder; it
                   1737: # is the first commit listed on the appropriate branch.
3.1       knu      1738: # This is not neccesary the same revision as marked as head in the RCS file.
                   1739:        my $headrev = $curbranch || "1";
                   1740:        ($symrev{"MAIN"} = $headrev) =~ s/(\.?)(\d+)$/${1}0.$2/;
1.1       jfieber  1741:        revision:
3.1       knu      1742:        foreach $rev (@revorder) {
                   1743:            if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
                   1744:                $symrev{"HEAD"} = $rev;
1.1       jfieber  1745:                last revision;
                   1746:            }
                   1747:        }
3.1       knu      1748:        ($symrev{"HEAD"} = $headrev) =~ s/\.\d+$//
                   1749:             if (!defined($symrev{"HEAD"}));
1.1       jfieber  1750:        print "Done finding HEAD\n" if ($verbose);
                   1751: #
                   1752: # Now that we know all of the revision numbers, we can associate
                   1753: # absolute revision numbers with all of the symbolic names, and
                   1754: # pass them to the form so that the same association doesn't have
                   1755: # to be built then.
                   1756: #
3.1       knu      1757:        undef @branchnames;
                   1758:        undef %branchpoint;
                   1759:        undef $sel;
                   1760:
                   1761:        foreach (reverse sort keys %symrev) {
1.1       jfieber  1762:            $rev = $symrev{$_};
3.1       knu      1763:            if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
1.7       fenner   1764:                push(@branchnames, $_);
1.1       jfieber  1765:                #
                   1766:                # A revision number of A.B.0.D really translates into
                   1767:                # "the highest current revision on branch A.B.D".
                   1768:                #
                   1769:                # If there is no branch A.B.D, then it translates into
                   1770:                # the head A.B .
                   1771:                #
3.1       knu      1772:                # This reasoning also applies to the main branch A.B,
                   1773:                # with the branch number 0.A, with the exception that
                   1774:                # it has no head to translate to if there is nothing on
                   1775:                # the branch, but I guess this can never happen?
                   1776:                # (the code below gracefully forgets about the branch
                   1777:                # if it should happen)
                   1778:                #
                   1779:                $head = defined($2) ? $2 : "";
1.1       jfieber  1780:                $branch = $3;
3.1       knu      1781:                $branchrev = $head . ($head ne "" ? "." : "") . $branch;
                   1782:                my $regex;
                   1783:                ($regex = $branchrev) =~ s/\./\\./g;
1.1       jfieber  1784:                $rev = $head;
                   1785:
                   1786:                revision:
3.1       knu      1787:                foreach my $r (@revorder) {
                   1788:                    if ($r =~ /^${regex}\b/) {
                   1789:                        $rev = $branchrev;
1.1       jfieber  1790:                        last revision;
                   1791:                    }
                   1792:                }
3.1       knu      1793:                next if ($rev eq "");
                   1794:                if ($rev ne $head && $head ne "") {
1.8       fenner   1795:                    $branchpoint{$head} .= ", " if ($branchpoint{$head});
                   1796:                    $branchpoint{$head} .= $_;
                   1797:                }
1.1       jfieber  1798:            }
3.1       knu      1799:            $revsym{$rev} .= ", " if ($revsym{$rev});
                   1800:            $revsym{$rev} .= $_;
1.1       jfieber  1801:            $sel .= "<OPTION VALUE=\"${rev}:${_}\">$_\n";
                   1802:        }
                   1803:        print "Done associating revisions with branches\n" if ($verbose);
3.1       knu      1804:
                   1805:        my ($onlyonbranch, $onlybranchpoint);
                   1806:        if ($onlyonbranch = $input{'only_with_tag'}) {
                   1807:            $onlyonbranch = $symrev{$onlyonbranch};
                   1808:            if ($onlyonbranch =~ s/\b0\.//) {
                   1809:                ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   1810:            }
                   1811:             else {
                   1812:                $onlybranchpoint = $onlyonbranch;
                   1813:            }
                   1814:            if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
                   1815:                fatal("404 Tag not found","Tag $input{'only_with_tag'} not defined");
                   1816:            }
1.8       fenner   1817:        }
1.1       jfieber  1818:
3.1       knu      1819:        undef @revisions;
                   1820:
                   1821:        foreach (@allrevisions) {
1.7       fenner   1822:            ($br = $_) =~ s/\.\d+$//;
3.1       knu      1823:            ($brp = $br) =~ s/\.\d+$//;
1.7       fenner   1824:            next if ($onlyonbranch && $br ne $onlyonbranch &&
3.1       knu      1825:                                        $_ ne $onlybranchpoint);
                   1826:            unshift(@revisions,$_);
                   1827:        }
                   1828:
                   1829:        if ($logsort eq "date") {
                   1830:            # Sort the revisions in commit order an secondary sort on revision
                   1831:            # (secondary sort needed for imported sources, or the first main
                   1832:            # revision gets before the same revision on the 1.1.1 branch)
                   1833:            @revdisplayorder = sort {$date{$b} <=> $date{$a} || -revcmp($a, $b)} @revisions;
                   1834:        }
                   1835:         elsif ($logsort eq "rev") {
                   1836:            # Sort the revisions in revision order, highest first
                   1837:            @revdisplayorder = reverse sort {revcmp($a,$b)} @revisions;
                   1838:        }
                   1839:         else {
                   1840:            # No sorting. Present in the same order as rlog / cvs log
                   1841:            @revdisplayorder = @revisions;
                   1842:        }
                   1843:
                   1844: }
                   1845:
                   1846: sub printLog($;$) {
                   1847:        my ($link, $br, $brp);
                   1848:        ($_,$link) = @_;
                   1849:        ($br = $_) =~ s/\.\d+$//;
                   1850:        ($brp = $br) =~ s/\.?\d+$//;
                   1851:        my ($isDead, $prev);
                   1852:
                   1853:        $link = 1 if (!defined($link));
                   1854:        $isDead = ($state{$_} eq "dead");
                   1855:
                   1856:        if ($link && !$isDead) {
                   1857:            my ($filename);
                   1858:            ($filename = $where) =~ s/^.*\///;
                   1859:            my ($fileurl) = urlencode($filename);
1.4       fenner   1860:            print "<a NAME=\"rev$_\"></a>";
3.1       knu      1861:            if (defined($revsym{$_})) {
                   1862:                foreach my $sym (split(", ", $revsym{$_})) {
                   1863:                    print "<a NAME=\"$sym\"></a>";
                   1864:                }
1.4       fenner   1865:            }
3.1       knu      1866:            if (defined($revsym{$br}) && $revsym{$br} && !defined($nameprinted{$br})) {
                   1867:                foreach my $sym (split(", ", $revsym{$br})) {
1.4       fenner   1868:                    print "<a NAME=\"$sym\"></a>";
                   1869:                }
3.1       knu      1870:                $nameprinted{$br} = 1;
1.4       fenner   1871:            }
3.1       knu      1872:            print "\n Revision ";
                   1873:            &download_link($fileurl, $_, $_,
                   1874:                $defaultViewable ? "text/x-cvsweb-markup" : undef);
                   1875:            if ($defaultViewable) {
                   1876:                print " / ";
                   1877:                &download_link($fileurl, $_, "(download)", $mimetype);
                   1878:            }
                   1879:            if (not $defaultTextPlain) {
                   1880:                print " / ";
                   1881:                &download_link($fileurl, $_, "(as text)",
                   1882:                           "text/plain");
                   1883:            }
                   1884:            if (!$defaultViewable) {
                   1885:                print " / ";
                   1886:                &download_link($fileurl, $_, "(view)", "text/x-cvsweb-markup");
                   1887:            }
                   1888:            if ($allow_annotate) {
                   1889:                print " - <a href=\"" . $scriptname . "/" . urlencode($where) . "?annotate=$_$barequery\">";
                   1890:                print "annotate</a>";
                   1891:            }
                   1892:            # Plus a select link if enabled, and this version isn't selected
                   1893:            if ($allow_version_select) {
                   1894:                if ((!defined($input{"r1"}) || $input{"r1"} ne $_)) {
                   1895:                    print " - <A HREF=\"${scriptwhere}?r1=$_$barequery" .
                   1896:                        "\">[select for diffs]</A>\n";
                   1897:                }
                   1898:                else {
                   1899:                    print " - <b>[selected]</b>";
                   1900:                }
                   1901:            }
                   1902:        }
                   1903:        else {
                   1904:            print "Revision <B>$_</B>";
                   1905:        }
                   1906:        if (/^1\.1\.1\.\d+$/) {
                   1907:            print " <i>(vendor branch)</i>";
                   1908:        }
                   1909:        if (defined @mytz) {
                   1910:            my ($est) = $mytz[(localtime($date{$_}))[8]];
                   1911:            print ", <i>" . scalar localtime($date{$_}) . " $est</i> (";
                   1912:        } else {
                   1913:            print ", <i>" . scalar gmtime($date{$_}) . " UTC</i> (";
                   1914:        }
                   1915:        print readableTime(time() - $date{$_},1) . " ago)";
                   1916:        print " by ";
                   1917:        print "<i>" . $author{$_} . "</i>\n";
                   1918:        print "<BR>Branch: <b>",$link?link_tags($revsym{$br}):$revsym{$br},"</b>\n"
                   1919:            if ($revsym{$br});
                   1920:        print "<BR>CVS Tags: <b>",$link?link_tags($revsym{$_}):$revsym{$_},"</b>"
                   1921:            if ($revsym{$_});
                   1922:        print "<BR>Branch point for: <b>",$link?link_tags($branchpoint{$_}):$branchpoint{$_},"</b>\n"
                   1923:            if ($branchpoint{$_});
                   1924:        # Find the previous revision
                   1925:        my @prevrev = split(/\./, $_);
                   1926:        do {
                   1927:            if (--$prevrev[$#prevrev] <= 0) {
1.1       jfieber  1928:                # If it was X.Y.Z.1, just make it X.Y
3.1       knu      1929:                pop(@prevrev);
                   1930:                pop(@prevrev);
                   1931:            }
                   1932:            $prev = join(".", @prevrev);
                   1933:        } until (defined($date{$prev}) || $prev eq "");
                   1934:        if ($prev ne "") {
                   1935:            if ($difflines{$_}) {
                   1936:                print "<BR>Changes since <b>$prev: $difflines{$_} lines</b>";
                   1937:            }
                   1938:        }
                   1939:        if ($isDead) {
                   1940:            print "<BR><B><I>FILE REMOVED</I></B>\n";
                   1941:        }
                   1942:        elsif ($link) {
                   1943:            my %diffrev = ();
                   1944:            $diffrev{$_} = 1;
                   1945:            $diffrev{""} = 1;
                   1946:            print "<BR>Diff";
                   1947:            #
                   1948:            # Offer diff to previous revision
                   1949:            if ($prev) {
                   1950:                $diffrev{$prev} = 1;
                   1951:                print " to previous <A HREF=\"${scriptwhere}.diff?r1=$prev";
                   1952:                print "&amp;r2=$_" . $barequery . "\">$prev</A>\n";
                   1953:                if (!$hr_default) { # offer a human readable version if not default
                   1954:                    print "(<A HREF=\"${scriptwhere}.diff?r1=$prev";
                   1955:                    print "&amp;r2=$_" . $barequery . "&amp;f=h\">colored</A>)\n";
                   1956:                }
                   1957:            }
                   1958:            #
                   1959:            # Plus, if it's on a branch, and it's not a vendor branch,
                   1960:            # offer a diff with the branch point.
                   1961:            if ($revsym{$brp} && !/^1\.1\.1\.\d+$/ && !defined($diffrev{$brp})) {
                   1962:                print " to branchpoint <A HREF=\"${scriptwhere}.diff?r1=$brp";
                   1963:                print "&amp;r2=$_" . $barequery . "\">$brp</A>\n";
                   1964:                if (!$hr_default) { # offer a human readable version if not default
                   1965:                print "(<A HREF=\"${scriptwhere}.diff?r1=$brp";
                   1966:                print "&amp;r2=$_" . $barequery . "&amp;f=h\">colored</A>)\n";
1.1       jfieber  1967:                }
                   1968:            }
3.1       knu      1969:            #
                   1970:            # Plus, if it's on a branch, and it's not a vendor branch,
                   1971:            # offer to diff with the next revision of the higher branch.
                   1972:            # (e.g. change gets committed and then brought
                   1973:            # over to -stable)
                   1974:            if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
                   1975:                my ($i,$nextmain);
                   1976:                for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++){}
                   1977:                my (@tmp2) = split(/\./, $_);
                   1978:                for ($nextmain = ""; $i > 0; $i--) {
                   1979:                    my ($next) = $revorder[$i-1];
                   1980:                    my (@tmp1) = split(/\./, $next);
1.1       jfieber  1981:                    if ($#tmp1 < $#tmp2) {
3.1       knu      1982:                        $nextmain = $next;
                   1983:                        last;
                   1984:                    }
                   1985:                    # Only the highest version on a branch should have
                   1986:                    # a diff for the "next main".
                   1987:                    last if (join(".",@tmp1[0..$#tmp1-1])
                   1988:                             eq join(".",@tmp2[0..$#tmp1-1]));
                   1989:                }
                   1990:                if (!defined($diffrev{$nextmain})) {
                   1991:                    $diffrev{$nextmain} = 1;
                   1992:                    print " next main <A HREF=\"${scriptwhere}.diff?r1=$nextmain";
                   1993:                    print "&amp;r2=$_" . $barequery .
                   1994:                        "\">$nextmain</A>\n";
                   1995:                    if (!$hr_default) { # offer a human readable version if not default
                   1996:                        print "(<A HREF=\"${scriptwhere}.diff?r1=$nextmain";
                   1997:                        print "&amp;r2=$_" . $barequery .
                   1998:                            "&amp;f=h\">colored</A>)\n";
1.1       jfieber  1999:                    }
                   2000:                }
                   2001:            }
3.1       knu      2002:            # Plus if user has selected only r1, then present a link
                   2003:            # to make a diff to that revision
                   2004:            if (defined($input{"r1"}) && !defined($diffrev{$input{"r1"}})) {
                   2005:                $diffrev{$input{"r1"}} = 1;
                   2006:                print " to selected <A HREF=\"${scriptwhere}.diff?"
                   2007:                        . "r1=$input{'r1'}&amp;r2=$_" . $barequery
                   2008:                        . "\">$input{'r1'}</A>\n";
                   2009:                if (!$hr_default) { # offer a human readable version if not default
                   2010:                    print "(<A HREF=\"${scriptwhere}.diff?r1=$input{'r1'}";
                   2011:                    print "&amp;r2=$_" . $barequery .
                   2012:                        "&amp;f=h\">colored</A>)\n";
                   2013:
                   2014:                }
1.9       fenner   2015:            }
1.1       jfieber  2016:        }
3.1       knu      2017:        print "<PRE>\n";
                   2018:        print &htmlify($log{$_}, 1);
                   2019:        print "</PRE>\n";
                   2020: }
                   2021:
                   2022: sub doLog {
                   2023:        my($fullname) = @_;
                   2024:        my ($diffrev, $upwhere, $filename, $backurl);
                   2025:
                   2026:        readLog($fullname);
                   2027:
                   2028:         html_header("CVS log for $where");
                   2029:        ($upwhere = $where) =~ s|(Attic/)?[^/]+$||;
                   2030:         ($filename = $where) =~ s|^.*/||;
                   2031:         $backurl = $scriptname . "/" . urlencode($upwhere) . $query;
                   2032:        print &link($backicon, "$backurl#$filename"),
                   2033:               " <b>Up to ", &clickablePath($upwhere, 1), "</b><p>\n";
3.3       knu      2034:        print <<EOF;
                   2035: <A HREF="#diff">Request diff between arbitrary revisions</A>
                   2036: <HR NOSHADE>
                   2037: EOF
3.1       knu      2038:        if ($curbranch) {
3.3       knu      2039:            print "Default branch: ", ($revsym{$curbranch} || $curbranch);
3.1       knu      2040:        }
                   2041:        else {
                   2042:            print "No default branch";
                   2043:        }
                   2044:        print "<BR>\n";
                   2045:        if ($input{only_with_tag}) {
                   2046:            print "Current tag: $input{only_with_tag}<BR>\n";
                   2047:        }
                   2048:
                   2049:        undef %nameprinted;
                   2050:
                   2051:        for (my $i = 0; $i <= $#revdisplayorder; $i++) {
                   2052:            print "<HR size=1 NOSHADE>";
                   2053:            printLog($revdisplayorder[$i]);
                   2054:        }
                   2055:
                   2056:         print "<HR NOSHADE>";
1.1       jfieber  2057:        print "<A NAME=diff>\n";
                   2058:        print "This form allows you to request diff's between any two\n";
                   2059:        print "revisions of a file.  You may select a symbolic revision\n";
                   2060:        print "name using the selection box or you may type in a numeric\n";
                   2061:        print "name using the type-in text box.\n";
                   2062:        print "</A><P>\n";
3.1       knu      2063:        print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}.diff\" NAME=\"diff_select\">\n";
                   2064:         foreach (@stickyvars) {
                   2065:            print "<INPUT TYPE=HIDDEN NAME=\"$_\" VALUE=\"$input{$_}\">\n"
                   2066:                if (defined($input{$_})
                   2067:                    && ($input{$_} ne $DEFAULTVALUE{$_} && $input{$_} ne ""));
                   2068:        }
1.1       jfieber  2069:        print "Diffs between \n";
                   2070:        print "<SELECT NAME=\"r1\">\n";
                   2071:        print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
                   2072:        print $sel;
                   2073:        print "</SELECT>\n";
3.1       knu      2074:        $diffrev = $revdisplayorder[$#revdisplayorder];
                   2075:        $diffrev = $input{"r1"} if (defined($input{"r1"}));
                   2076:        print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr1\" VALUE=\"$diffrev\" onChange='document.diff_select.r1.selectedIndex=0'>\n";
1.1       jfieber  2077:        print " and \n";
                   2078:        print "<SELECT NAME=\"r2\">\n";
                   2079:        print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
                   2080:        print $sel;
                   2081:        print "</SELECT>\n";
3.1       knu      2082:        $diffrev = $revdisplayorder[0];
                   2083:        $diffrev = $input{"r2"} if (defined($input{"r2"}));
                   2084:        print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr2\" VALUE=\"$diffrev\" onChange='docuement.diff_select.r2.selectedIndex=0'>\n";
                   2085:         print "<BR>Type of Diff should be a&nbsp;";
                   2086:        printDiffSelect();
                   2087:        print "<INPUT TYPE=SUBMIT VALUE=\"  Get Diffs  \">\n";
1.1       jfieber  2088:        print "</FORM>\n";
1.7       fenner   2089:        print "<HR noshade>\n";
3.1       knu      2090:         if (@branchnames) {
                   2091:            print "<A name=branch></A>\n";
                   2092:            print "<FORM METHOD=\"GET\" ACTION=\"$scriptwhere\">\n";
                   2093:            foreach (@stickyvars) {
                   2094:                next if ($_ eq "only_with_tag");
                   2095:                next if ($_ eq "logsort");
                   2096:                print "<INPUT TYPE=HIDDEN NAME=\"$_\" VALUE=\"$input{$_}\">\n"
                   2097:                    if (defined($input{$_}) && $input{$_} ne $DEFAULTVALUE{$_}
                   2098:                        && $input{$_} ne "");
                   2099:            }
                   2100:            print "View only Branch: \n";
                   2101:            print "<SELECT NAME=\"only_with_tag\"";
                   2102:            print " onchange=\"submit()\"" if ($use_java_script);
                   2103:            print ">\n";
                   2104:            print "<OPTION VALUE=\"\"";
                   2105:            print " SELECTED" if (defined($input{"only_with_tag"}) &&
                   2106:                $input{"only_with_tag"} eq "");
                   2107:            print ">Show all branches\n";
                   2108:            foreach (reverse sort @branchnames) {
1.9       fenner   2109:                print "<OPTION";
3.1       knu      2110:                print " SELECTED" if (defined($input{"only_with_tag"})
                   2111:                        && $input{"only_with_tag"} eq $_);
1.9       fenner   2112:                print ">${_}\n";
3.1       knu      2113:            }
                   2114:            print "</SELECT>\n";
                   2115:            print "<INPUT TYPE=SUBMIT VALUE=\"  View Branch  \">\n";
                   2116:            print "</FORM>\n";
1.7       fenner   2117:        }
3.1       knu      2118:        print "<A name=logsort></A>\n";
                   2119:        print "<FORM METHOD=\"GET\" ACTION=\"$scriptwhere\">\n";
                   2120:        foreach (@stickyvars) {
                   2121:            next if ($_ eq "only_with_tag");
                   2122:            next if ($_ eq "logsort");
                   2123:            print "<INPUT TYPE=HIDDEN NAME=\"$_\" VALUE=\"$input{$_}\">\n"
                   2124:                if (defined($input{$_}) && $input{$_} ne $DEFAULTVALUE{$_}
                   2125:                    && $input{$_} ne "");
                   2126:        }
                   2127:        print "Sort log by: \n";
                   2128:        print "<SELECT NAME=\"logsort\"";
                   2129:        print " onchange=\"submit()\"" if ($use_java_script);
                   2130:        print ">\n";
                   2131:        print "<OPTION VALUE=cvs",$logsort eq "cvs" ? " SELECTED" : "", ">Not sorted";
                   2132:        print "<OPTION VALUE=date",$logsort eq "date" ? " SELECTED" : "", ">Commit date";
                   2133:        print "<OPTION VALUE=rev",$logsort eq "rev" ? " SELECTED" : "", ">Revision";
1.7       fenner   2134:        print "</SELECT>\n";
3.1       knu      2135:        print "<INPUT TYPE=SUBMIT VALUE=\"  Sort  \">\n";
1.7       fenner   2136:        print "</FORM>\n";
1.2       jfieber  2137:         print &html_footer;
1.1       jfieber  2138:        print "</BODY></HTML>\n";
1.10      wosch    2139: }
                   2140:
3.1       knu      2141: sub flush_diff_rows ($$$$)
                   2142: {
                   2143:     my $j;
                   2144:     my ($leftColRef,$rightColRef,$leftRow,$rightRow) = @_;
                   2145:     if ($state eq "PreChangeRemove") {          # we just got remove-lines before
                   2146:       for ($j = 0 ; $j < $leftRow; $j++) {
                   2147:           print  "<tr><td bgcolor=\"$diffcolorRemove\">@$leftColRef[$j]</td>";
                   2148:           print  "<td bgcolor=\"$diffcolorEmpty\">&nbsp;</td></tr>\n";
                   2149:       }
                   2150:     }
                   2151:     elsif ($state eq "PreChange") {             # state eq "PreChange"
                   2152:       # we got removes with subsequent adds
                   2153:       for ($j = 0; $j < $leftRow || $j < $rightRow ; $j++) {  # dump out both cols
                   2154:           print  "<tr>";
                   2155:           if ($j < $leftRow) {
                   2156:              print  "<td bgcolor=\"$diffcolorChange\">@$leftColRef[$j]</td>";
                   2157:          }
                   2158:           else {
                   2159:              print  "<td bgcolor=\"$diffcolorDarkChange\">&nbsp;</td>";
                   2160:          }
                   2161:           if ($j < $rightRow) {
                   2162:              print  "<td bgcolor=\"$diffcolorChange\">@$rightColRef[$j]</td>";
                   2163:          }
                   2164:           else {
                   2165:              print  "<td bgcolor=\"$diffcolorDarkChange\">&nbsp;</td>";
                   2166:          }
                   2167:           print  "</tr>\n";
                   2168:       }
                   2169:     }
                   2170: }
                   2171:
                   2172: ##
                   2173: # Function to generate Human readable diff-files
                   2174: # human_readable_diff(String revision_to_return_to);
                   2175: ##
                   2176: sub human_readable_diff($){
                   2177:   my ($i,$difftxt, $where_nd, $filename, $pathname, $scriptwhere_nd);
                   2178:   my ($fh, $rev) = @_;
                   2179:   my ($date1, $date2, $r1d, $r2d, $r1r, $r2r, $rev1, $rev2, $sym1, $sym2);
                   2180:   my (@rightCol, @leftCol);
                   2181:
                   2182:   ($where_nd = $where) =~ s/.diff$//;
                   2183:   ($filename = $where_nd) =~ s/^.*\///;
                   2184:   ($pathname = $where_nd) =~ s/(Attic\/)?[^\/]*$//;
                   2185:   ($scriptwhere_nd = $scriptwhere) =~ s/.diff$//;
                   2186:
                   2187:   navigateHeader ($scriptwhere_nd, $pathname, $filename, $rev, "diff");
                   2188:
                   2189:   # Read header to pick up read revision and date, if possible
                   2190:   while (<$fh>) {
                   2191:       ($r1d,$r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   2192:       ($r2d,$r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   2193:       last if (/^\+\+\+ /);
                   2194:   }
                   2195:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   2196:     $rev1 = $r1r;
                   2197:     $date1 = $r1d;
                   2198:   }
                   2199:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   2200:     $rev2 = $r2r;
                   2201:     $date2 = $r2d;
                   2202:   }
                   2203:
                   2204:   print "<h3 align=center>Diff for /$where_nd between version $rev1 and $rev2</h3>\n";
                   2205:
                   2206:   print "<table border=0 cellspacing=0 cellpadding=0 width=\"100%\">\n";
                   2207:   print "<tr bgcolor=\"#ffffff\">\n";
                   2208:   print "<th width=\"50%\" valign=TOP>";
                   2209:   print "version $rev1";
                   2210:   print ", $date1" if (defined($date1));
                   2211:   print "<br>Tag: $sym1\n" if ($sym1);
                   2212:   print "</th>\n";
                   2213:   print "<th width=\"50%\" valign=TOP>";
                   2214:   print "version $rev2";
                   2215:   print ", $date2" if (defined($date2));
                   2216:   print "<br>Tag: $sym2\n" if ($sym1);
                   2217:   print "</th>\n";
                   2218:
                   2219:   my $fs = "<font face=\"$difffontface\" size=\"$difffontsize\">";
                   2220:   my $fe = "</font>";
                   2221:
                   2222:   my $leftRow = 0;
                   2223:   my $rightRow = 0;
                   2224:   my ($oldline, $newline, $funname, $diffcode, $rest);
                   2225:
                   2226:   # Process diff text
                   2227:   # The diffrows are could make excellent use of
                   2228:   # cascading style sheets because we've to set the
                   2229:   # font and color for each row. anyone ...?
                   2230:   ####
                   2231:   while (<$fh>) {
                   2232:       $difftxt = $_;
                   2233:
                   2234:       if ($difftxt =~ /^@@/) {
                   2235:          ($oldline,$newline,$funname) = $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   2236:           print  "<tr bgcolor=\"$diffcolorHeading\"><td width=\"50%\">";
                   2237:          print  "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $oldline</b>";
                   2238:          print  "&nbsp;<font size=-1>$funname</font></td></tr></table>";
                   2239:           print  "</td><td width=\"50%\">";
                   2240:          print  "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $newline</b>";
                   2241:          print  "&nbsp;<font size=-1>$funname</font></td></tr></table>";
                   2242:          print  "</td>\n";
                   2243:          $state = "dump";
                   2244:          $leftRow = 0;
                   2245:          $rightRow = 0;
                   2246:       }
                   2247:       else {
                   2248:          ($diffcode,$rest) = $difftxt =~ /^([-+ ])(.*)/;
                   2249:          $_ = spacedHtmlText ($rest);
                   2250:
                   2251:          # Add fontface, size
                   2252:          $_ = "$fs&nbsp;$_$fe";
                   2253:
                   2254:          #########
                   2255:          # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   2256:          # in order to get some nice 'ediff'-mode output
                   2257:          # states:
                   2258:          #  "dump"             - just dump the value
                   2259:          #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   2260:          #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   2261:          ##########
                   2262:
                   2263:          if ($diffcode eq '+') {
                   2264:              if ($state eq "dump") {  # 'change' never begins with '+': just dump out value
                   2265:                  print  "<tr><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td><td bgcolor=\"$diffcolorAdd\">$_</td></tr>\n";
                   2266:              }
                   2267:              else {                   # we got minus before
                   2268:                  $state = "PreChange";
                   2269:                  $rightCol[$rightRow++] = $_;
                   2270:              }
                   2271:          }
                   2272:          elsif ($diffcode eq '-') {
                   2273:              $state = "PreChangeRemove";
                   2274:              $leftCol[$leftRow++] = $_;
                   2275:         }
                   2276:         else {  # empty diffcode
                   2277:             flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   2278:              print  "<tr><td>$_</td><td>$_</td></tr>\n";
                   2279:              $state = "dump";
                   2280:              $leftRow = 0;
                   2281:              $rightRow = 0;
                   2282:          }
                   2283:       }
                   2284:   }
                   2285:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   2286:
                   2287:   # state is empty if we didn't have any change
                   2288:   if (!$state) {
                   2289:       print "<tr><td colspan=2>&nbsp;</td></tr>";
                   2290:       print "<tr bgcolor=\"$diffcolorEmpty\" >";
                   2291:       print "<td colspan=2 align=center><b>- No viewable Change -</b></td></tr>";
                   2292:   }
                   2293:   print  "</table>";
                   2294:   close($fh);
                   2295:
                   2296:   print "<br><hr noshade width=\"100%\">\n";
                   2297:
                   2298:   print "<table border=0>";
                   2299:
                   2300:   print "<tr><td>";
                   2301:   # print legend
                   2302:   print "<table border=1><tr><td>";
                   2303:   print  "Legend:<br><table border=0 cellspacing=0 cellpadding=1>\n";
                   2304:   print  "<tr><td align=center bgcolor=\"$diffcolorRemove\">Removed from v.$rev1</td><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td></tr>";
                   2305:   print  "<tr bgcolor=\"$diffcolorChange\"><td align=center colspan=2>changed lines</td></tr>";
                   2306:   print  "<tr><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td><td align=center bgcolor=\"$diffcolorAdd\">Added in v.$rev2</td></tr>";
                   2307:   print  "</table></td></tr></table>\n";
                   2308:
                   2309:   print "<td>";
                   2310:   # Print format selector
                   2311:   print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}\">\n";
                   2312:   foreach my $var (keys %input) {
                   2313:     next if ($var eq "f");
                   2314:     next if (defined($DEFAULTVALUE{$var})
                   2315:             && $DEFAULTVALUE{$var} eq $input{$var});
                   2316:     print "<INPUT TYPE=HIDDEN NAME=\"",urlencode($var),"\" VALUE=\"",
                   2317:            urlencode($input{$var}),"\">\n";
                   2318:   }
                   2319:   printDiffSelect($use_java_script);
                   2320:   print "<INPUT TYPE=SUBMIT VALUE=\"Show\">\n";
                   2321:   print "</FORM>\n";
                   2322:   print "</td>";
                   2323:
                   2324:   print "</tr></table>";
                   2325: }
                   2326:
                   2327: sub navigateHeader ($$$$$) {
                   2328:     my ($swhere,$path,$filename,$rev,$title) = @_;
                   2329:     $swhere = "" if ($swhere eq $scriptwhere);
                   2330:     $swhere = urlencode($filename) if ($swhere eq "");
                   2331:     print "<\!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">";
                   2332:     print "<HTML>\n<HEAD>\n";
3.8     ! knu      2333:     print '<!-- CVSweb $Revision: 3.7 $ -->';
3.1       knu      2334:     print "\n<TITLE>$path$filename - $title - $rev</TITLE></HEAD>\n";
                   2335:     print  "<BODY BGCOLOR=\"$backcolor\">\n";
                   2336:     print "<table width=\"100%\" border=0 cellspacing=0 cellpadding=1 bgcolor=\"$navigationHeaderColor\">";
                   2337:     print "<tr valign=bottom><td>";
                   2338:     print  "<a href=\"$swhere$query#rev$rev\">$backicon";
                   2339:     print "</a> <b>Return to ", &link("$filename","$swhere$query#rev$rev")," CVS log";
                   2340:     print "</b> $fileicon</td>";
                   2341:
                   2342:     print "<td align=right>$diricon <b>Up to ", &clickablePath($path, 1), "</b></td>";
                   2343:     print "</tr></table>";
                   2344: }
                   2345:
                   2346: sub plural_write ($$)
                   2347: {
                   2348:     my ($num,$text) = @_;
                   2349:     if ($num != 1) {
                   2350:        $text = $text . "s";
                   2351:     }
                   2352:     if ($num > 0) {
                   2353:        return $num . " " . $text;
                   2354:     }
                   2355:     else {
                   2356:        return "";
                   2357:     }
                   2358: }
                   2359:
                   2360: ##
                   2361: # print readable timestamp in terms of
                   2362: # '..time ago'
                   2363: # H. Zeller <zeller@think.de>
                   2364: ##
                   2365: sub readableTime ($$)
                   2366: {
                   2367:     my ($i, $break, $retval);
                   2368:     my ($secs,$long) = @_;
                   2369:
                   2370:     # this function works correct for time >= 2 seconds
                   2371:     if ($secs < 2) {
                   2372:        return "very little time";
                   2373:     }
                   2374:
                   2375:     my %desc = (1 , 'second',
                   2376:                   60, 'minute',
                   2377:                   3600, 'hour',
                   2378:                   86400, 'day',
                   2379:                   604800, 'week',
                   2380:                   2628000, 'month',
                   2381:                   31536000, 'year');
                   2382:     my @breaks = sort {$a <=> $b} keys %desc;
                   2383:     $i = 0;
                   2384:     while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
                   2385:        $i++;
                   2386:     }
                   2387:     $i--;
                   2388:     $break = $breaks[$i];
3.3       knu      2389:     $retval = plural_write(int ($secs / $break), $desc{$break});
3.1       knu      2390:
                   2391:     if ($long == 1 && $i > 0) {
                   2392:        my $rest = $secs % $break;
                   2393:        $i--;
                   2394:        $break = $breaks[$i];
                   2395:        my $resttime = plural_write(int ($rest / $break),
3.3       knu      2396:                                $desc{$break});
3.1       knu      2397:        if ($resttime) {
                   2398:            $retval = $retval . ", " . $resttime;
                   2399:        }
                   2400:     }
                   2401:
                   2402:     return $retval;
                   2403: }
                   2404:
                   2405: ##
                   2406: # clickablePath(String pathname, boolean last_item_clickable)
                   2407: #
                   2408: # returns a html-ified path whereas each directory is a link for
                   2409: # faster navigation. last_item_clickable controls whether the
                   2410: # basename (last directory/file) is a link as well
                   2411: ##
                   2412: sub clickablePath($$) {
                   2413:     my ($pathname,$clickLast) = @_;
                   2414:     my $retval = '';
                   2415:
                   2416:     if ($pathname eq '/') {
                   2417:        # this should never happen - chooseCVSRoot() is
                   2418:        # intended to do this
                   2419:        $retval = "[$cvstree]";
                   2420:     }
                   2421:     else {
                   2422:        $retval = $retval . " <a href=\"${scriptname}/${query}#dirlist\">[$cvstree]</a>";
                   2423:        my $wherepath = '';
                   2424:        my ($lastslash) = $pathname =~ m|/$|;
                   2425:        foreach (split(/\//, $pathname)) {
                   2426:            $retval = $retval . " / ";
                   2427:            $wherepath = $wherepath . '/' . $_;
                   2428:            my ($last) = "$wherepath/" eq "/$pathname"
3.3       knu      2429:                || $wherepath eq "/$pathname";
3.1       knu      2430:            if ($clickLast || !$last) {
                   2431:                $retval = $retval . "<a href=\"${scriptname}"
                   2432:                    . urlencode($wherepath)
                   2433:                    . (!$last || $lastslash ? '/' : '')
                   2434:                    . ${query}
                   2435:                    . (!$last || $lastslash ? "#dirlist" : "")
                   2436:                    . "\">$_</a>";
                   2437:            }
                   2438:            else { # do not make a link to the current dir
                   2439:                $retval = $retval .  $_;
                   2440:            }
                   2441:        }
                   2442:     }
                   2443:     return $retval;
                   2444: }
                   2445:
                   2446: sub chooseCVSRoot() {
                   2447:     my @foo;
                   2448:     foreach (sort keys %CVSROOT) {
                   2449:        if (-d $CVSROOT{$_}) {
                   2450:            push(@foo, $_);
                   2451:        }
                   2452:     }
                   2453:     if (@foo > 1) {
                   2454:        my ($k);
                   2455:        print "<form method=\"GET\" action=\"${scriptwhere}\">\n";
                   2456:        foreach $k (keys %input) {
                   2457:            print "<input type=hidden NAME=$k VALUE=$input{$k}>\n"
                   2458:                if ($input{$k}) && ($k ne "cvsroot");
                   2459:        }
                   2460:        # Form-Elements look wierd in Netscape if the background
                   2461:        # isn't gray and the form elements are not placed
                   2462:        # within a table ...
                   2463:        print "<table><tr>";
                   2464:        print "<td>CVS Root:</td>";
                   2465:        print "<td>\n<select name=\"cvsroot\"";
                   2466:        print " onchange=\"submit()\"" if ($use_java_script);
                   2467:        print ">\n";
                   2468:        foreach $k (@foo) {
                   2469:            print "<option value=\"$k\"";
3.3       knu      2470:            print " selected" if ($k eq $cvstree);
                   2471:            print ">" . ($CVSROOTdescr{$k} ? $CVSROOTdescr{$k} :
3.1       knu      2472:                        $k). "</option>\n";
                   2473:        }
                   2474:        print "</select>\n</td>";
                   2475:        print "<td><input type=submit value=\"Go\"></td>";
                   2476:        print "</tr></table></form>";
                   2477:     }
                   2478:     else {
                   2479:        # no choice ..
                   2480:        print "CVS Root: <b>[$cvstree]</b>";
                   2481:     }
                   2482: }
                   2483:
                   2484: sub chooseMirror() {
                   2485:     my ($mirror,$moremirrors);
                   2486:     $moremirrors = 0;
                   2487:     # This code comes from the original BSD-cvsweb
                   2488:     # and may not be useful for your site; If you don't
                   2489:     # set %MIRRORS this won't show up, anyway
                   2490:     #
                   2491:     # Should perhaps exlude the current site somehow..
                   2492:     if (keys %MIRRORS) {
                   2493:        print "\nThis cvsweb is mirrored in:\n";
                   2494:        foreach $mirror (keys %MIRRORS) {
                   2495:            print ", " if ($moremirrors);
                   2496:            print qq(<a href="$MIRRORS{$mirror}">$mirror</A>\n);
                   2497:            $moremirrors = 1;
                   2498:        }
                   2499:        print "<p>\n";
                   2500:     }
                   2501: }
                   2502:
                   2503: sub fileSortCmp {
                   2504:     my ($comp) = 0;
                   2505:     my ($c,$d,$af,$bf);
                   2506:
                   2507:     ($af = $a) =~ s/,v$//;
                   2508:     ($bf = $b) =~ s/,v$//;
                   2509:     my ($rev1,$date1,$log1,$author1,$filename1) = @{$fileinfo{$af}}
                   2510:         if (defined($fileinfo{$af}));
                   2511:     my ($rev2,$date2,$log2,$author2,$filename2) = @{$fileinfo{$bf}}
                   2512:         if (defined($fileinfo{$bf}));
                   2513:
                   2514:     if (defined($filename1) && defined($filename2) && $af eq $filename1 && $bf eq $filename2) {
                   2515:        # Two files
                   2516:        $comp = -revcmp($rev1, $rev2) if ($byrev && $rev1 && $rev2);
                   2517:        $comp = ($date2 <=> $date1) if ($bydate && $date1 && $date2);
                   2518:        $comp = ($log1 cmp $log2) if ($bylog && $log1 && $log2);
                   2519:        $comp = ($author1 cmp $author2) if ($byauthor && $author1 && $author2);
                   2520:     }
                   2521:     if ($comp == 0) {
                   2522:        # Directories first, then sorted on name if no other sort critera
                   2523:        # available.
                   2524:        my $ad = ((-d "$fullname/$a")?"D":"F");
                   2525:        my $bd = ((-d "$fullname/$b")?"D":"F");
                   2526:        ($c=$a) =~ s|.*/||;
                   2527:        ($d=$b) =~ s|.*/||;
                   2528:        $comp = ("$ad$c" cmp "$bd$d");
                   2529:     }
                   2530:     return $comp;
                   2531: }
                   2532:
                   2533: # make A url for downloading
                   2534: sub download_url {
                   2535:     my ($url,$revision,$mimetype) = @_;
                   2536:
                   2537:     $revision =~ s/\b0\.//;
                   2538:
                   2539:     if (defined($checkout_magic)
                   2540:        && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
                   2541:        my ($path);
                   2542:        ($path = $where) =~ s|/[^/]*$|/|;
                   2543:        $url = "$scriptname/$checkoutMagic/${path}$url";
                   2544:     }
                   2545:     $url .= "?rev=$revision";
                   2546:     $url .= "&amp;content-type=$mimetype" if (defined($mimetype));
                   2547:
                   2548:     return $url;
                   2549: }
                   2550:
                   2551: # Presents a link to download the
                   2552: # selected revision
                   2553: sub download_link {
                   2554:     my ($url,$revision,$textlink,$mimetype) = @_;
                   2555:     my ($fullurl) = download_url($url,$revision,$mimetype);
                   2556:     my ($paren) = $textlink =~ /^\(/;
                   2557:     $textlink =~ s/^\(// if ($paren);
                   2558:     $textlink =~ s/\)$// if ($paren);
                   2559:     print "(" if ($paren);
                   2560:     print "<A HREF=\"$fullurl";
                   2561:     print $barequery;
                   2562:     print "\"";
                   2563:     if ($open_extern_window && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
                   2564:        print " target=\"cvs_checkout\"";
                   2565:        # we should have
                   2566:        #   'if (document.cvswin==null) document.cvswin=window.open(...'
                   2567:        # in order to allow the user to resize the window; otherwise
                   2568:        # the user may resize the window, but on next checkout - zap -
                   2569:        # its original (configured s. cvsweb.conf) size is back again
                   2570:        # .. annoying (if $extern_window_(width|height) is defined)
                   2571:        # but this if (..) solution is far from perfect
                   2572:        # what we need to do as well is
                   2573:        # 1) save cvswin in an invisible frame that always exists
                   2574:        #    (document.cvswin will be void on next load)
                   2575:        # 2) on close of the cvs_checkout - window set the cvswin
                   2576:        #    variable to 'null' again - so that it will be
                   2577:        #    reopenend with the configured size
                   2578:        # anyone a JavaScript programmer ?
                   2579:        # .. so here without if (..):
                   2580:        # currently, the best way is to comment out the size parameters
                   2581:        # ($extern_window...) in cvsweb.conf.
                   2582:        if ($use_java_script) {
                   2583:            print " onClick=\"window.open('$fullurl','cvs_checkout',";
                   2584:            print "'resizeable,scrollbars";
                   2585:            print ",status,toolbar" if (defined($mimetype)
                   2586:                && $mimetype eq "text/html");
                   2587:            print ",width=$extern_window_width" if (defined($extern_window_width));
                   2588:            print ",height=$extern_window_height" if (defined($extern_window_height));
                   2589:            print"');\"";
                   2590:        }
                   2591:     }
                   2592:     print "><b>$textlink</b></A>";
                   2593:     print ")" if ($paren);
                   2594: }
                   2595:
                   2596: # Returns a Query string with the
                   2597: # specified parameter toggled
                   2598: sub toggleQuery($$) {
                   2599:     my ($toggle,$value) = @_;
                   2600:     my ($newquery,$var);
                   2601:     my (%vars);
                   2602:     %vars = %input;
                   2603:     if (defined($value)) {
                   2604:        $vars{$toggle} = $value;
                   2605:     }
                   2606:     else {
                   2607:        $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   2608:     }
                   2609:     # Build a new query of non-default paramenters
                   2610:     $newquery = "";
                   2611:     foreach $var (@stickyvars) {
                   2612:        my ($value) = defined($vars{$var}) ? $vars{$var} : "";
                   2613:        my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   2614:        if ($value ne $default) {
                   2615:            $newquery .= "&amp;" if ($newquery ne "");
                   2616:            $newquery .= urlencode($var) . "=" . urlencode($value);
                   2617:        }
                   2618:     }
                   2619:     if ($newquery) {
                   2620:        return '?' . $newquery;
                   2621:     }
                   2622:     return "";
                   2623: }
                   2624:
                   2625: sub urlencode {
                   2626:     my ($in) = @_;
                   2627:     my ($out);
                   2628:     ($out = $in) =~ s/([\000-+{-\377])/sprintf("%%%02x", ord($1))/ge;
                   2629:     return $out;
                   2630: }
                   2631:
                   2632: sub http_header {
                   2633:     my $content_type = shift || "text/html";
                   2634:     if (defined($moddate)) {
                   2635:        if ($is_mod_perl) {
                   2636:            Apache->request->header_out(Last_modified => scalar gmtime($moddate) . " GMT");
                   2637:        }
                   2638:        else {
3.4       knu      2639:            print "Last-Modified: " . scalar gmtime($moddate) . " GMT\r\n";
3.1       knu      2640:        }
                   2641:     }
                   2642:     if ($is_mod_perl) {
                   2643:        Apache->request->content_type($content_type);
                   2644:     }
                   2645:     else {
3.4       knu      2646:            print "Content-type: $content_type\r\n";
3.1       knu      2647:     }
                   2648:     if ($allow_compress && $maycompress) {
                   2649:        my $fh = do {local(*FH);};
                   2650:        if (defined($GZIPBIN) && open($fh, "|$GZIPBIN -1 -c")) {
                   2651:            if ($is_mod_perl) {
                   2652:                    Apache->request->content_encoding("x-gzip");
                   2653:                    Apache->request->header_out(Vary => "Accept-Encoding");
                   2654:                    Apache->request->send_http_header;
                   2655:            }
                   2656:            else {
3.4       knu      2657:                    print "Content-encoding: x-gzip\r\n";
                   2658:                    print "Vary: Accept-Encoding\r\n";  #RFC 2068, 14.43
                   2659:                    print "\r\n"; # Close headers
3.1       knu      2660:            }
                   2661:            $| = 1; $| = 0; # Flush header output
                   2662:            select ($fh);
                   2663: #          print "<!-- gzipped -->" if ($content_type eq "text/html");
                   2664:        }
                   2665:        else {
                   2666:            if ($is_mod_perl) {
                   2667:                    Apache->request->send_http_header;
                   2668:            }
                   2669:            else {
3.4       knu      2670:                    print "\r\n"; # Close headers
3.1       knu      2671:            }
                   2672:            print "<font size=-1>Unable to find gzip binary in the \$PATH to compress output</font><br>";
                   2673:        }
                   2674:     }
                   2675:     else {
                   2676:            if ($is_mod_perl) {
                   2677:                    Apache->request->send_http_header;
                   2678:            }
                   2679:            else {
3.4       knu      2680:                    print "\r\n"; # Close headers
3.1       knu      2681:            }
                   2682:     }
                   2683: }
                   2684:
                   2685: sub html_header($) {
                   2686:     my ($title) = @_;
3.8     ! knu      2687:     my $version = '$Revision: 3.7 $';
3.1       knu      2688:     http_header();
                   2689:     print <<EOH;
                   2690: <!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN"
                   2691:  "http://www.w3.org/TR/REC-html40/loose.dtd">
                   2692: <html>
                   2693: <title>$title</title>
3.3       knu      2694: <!-- CVSweb $version -->
3.1       knu      2695: </head>
                   2696: $body_tag
                   2697: $logo <h1 align="center">$title</h1>
                   2698: EOH
                   2699: }
                   2700:
                   2701: sub html_footer {
                   2702:     return "<hr noshade><address>$address</address>\n";
                   2703: }
                   2704:
                   2705: sub link_tags
                   2706: {
                   2707:     my ($tags) = @_;
                   2708:     my ($ret) = "";
                   2709:     my ($fileurl,$filename);
                   2710:
                   2711:     ($filename = $where) =~ s/^.*\///;
                   2712:     $fileurl = urlencode($filename);
                   2713:
                   2714:     foreach my $sym (split(", ", $tags)) {
                   2715:        $ret .= ",\n" if ($ret ne "");
                   2716:        $ret .= "<A HREF=\"$fileurl"
                   2717:                . toggleQuery('only_with_tag',$sym) . "\">$sym</A>";
                   2718:     }
                   2719:     return $ret."\n";
                   2720: }
                   2721:
                   2722: #
                   2723: # See if a module is listed in the config file's @HideModule list.
                   2724: #
                   2725: sub forbidden_module {
                   2726:     my($module) = @_;
                   2727:
                   2728:     for (my $i=0; $i < @HideModules; $i++) {
                   2729:        return 1 if $module eq $HideModules[$i];
                   2730:     }
                   2731:
                   2732:     return 0;
1.1       jfieber  2733: }

CVSweb